PKG&QAP MIL-DTL-32235B

30 March 2021

SUPERSEDING

PKG&QAP MIL-DTL-32235A

15 September 2010

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PACKAGING REQUIREMENTS AND QUALITY ASSURANCE PROVISIONS FOR 

MIL-DTL-32235B; UNITIZED GROUP RATION – EXPRESS (UGR-E) HEATER 

MODULE, GENERAL SPECIFICATION FOR, AND APPLICABLE

SPECIFICATION SHEETS

SECTION D

D-1 PACKAGING

 A. Material safety data sheets. When required, a material safety data sheet (MSDS) shall be 

prepared in accordance with the requirements of FED-STD-313.

D-2 LABELING

 A. MSDS. The MSDS, when required, shall be attached to the unit loads.

D-3 PACKING

 A. Packing. One complete or partially assembled heater module or one or more complete or 

partially assembled Boil-In-Bag (BIB) module(s) in a fiberboard box shall require no 

additional packing. When packing components, not more than 40 pounds of product shall be 

packed in a fiberboard shipping box constructed in accordance with style RSC-L of ASTM 

D5118/D5118M, Standard Practice for Fabrication of Fiberboard Shipping Boxes. The 

fiberboard shall conform to type CF, class D, variety SW, minimum burst grade 200 or ECT 

32 of ASTM D4727/D4727M, Standard Specification for Corrugated and Solid Fiberboard 

Sheet Stock (Container Grade) and Cut Shapes. Each box shall be closed in accordance with 

ASTM D1974/D1974M, Standard Practice for Methods of Closing, Sealing, and Reinforcing 

Fiberboard Boxes.

D-4 UNITIZATION

 A. Unit loads. Boxes shall be arranged in unit loads in accordance with Type I, Class A of 

DLA Troop Support Form 3507, Loads, Unit: Preparation of Semiperishable Subsistence 

Items.

D-5 MARKING

 A. Shipping containers and unit loads. Shipping containers and unit loads shall be marked 

in accordance with DLA Troop Support Form 3556, Marking Instructions for Boxes, Sacks,

and Unit Loads of Perishable and Semiperishable Subsistence.
PKG&QAP MIL-DTL-32235B

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SECTION E INSPECTION AND ACCEPTANCE

The following quality assurance criteria, utilizing ANSI/ASQ Z1.4, Sampling Procedures and 

Tables for Inspection by Attributes, are required. Unless otherwise specified, single sampling 

plans indicated in ANSI/ASQ Z1.4 will be utilized. When required, the manufacturer shall 

provide the Certificate(s) of Conformance to the appropriate inspection activity. 

Certificate(s) of Conformance not provided shall be cause for rejection of the lot.

 A. Definitions.

(1) Critical defect. A critical defect is a defect that judgment and experience indicate 

would result in hazardous or unsafe conditions for individuals using, maintaining, or 

depending on the item; or a defect that judgment and experience indicate is likely to prevent 

the performance of the major end item, i.e., the consumption of the ration.

(2) Major defect. A major defect is a defect, other than critical, that is likely to result 

in failure, or to reduce materially the usability of the unit of product for its intended purpose.

(3) Minor defect. A minor defect is a defect that is not likely to reduce materially the 

usability of the unit of product for its intended purpose, or is a departure from established 

standards having little bearing on the effective use or operation of the unit.

E-5 QUALITY ASSURANCE PROVISIONS (PRODUCT)

 A. Product examination. The finished product shall be examined for compliance with the 

requirements specified in MIL-DTL-32235B, the applicable specification sheets and as 

specified in this Packaging Requirements and Quality Assurance Provisions (PKG&QAP) 

document.

(1) Heater module testing. The heater module shall be tested for the requirements 

listed in table I of MIL-DTL-32235B. The lot size, sample unit, and inspection level criteria 

for each test are listed below.

Requirement Lot size expressed in Sample unit Inspection level

Heater module use Modules 1 module S-2

Heating performance Modules 1 module S-2

(2) Conformance inspection. The following heater module requirements listed in table 

I of MIL-DTL-32235B and in this document shall be verified with a Certificate of 

Conformance (CoC):
PKG&QAP MIL-DTL-32235B

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PKG&QAP MIL-DTL-32235A

15 September 2010

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Polymeric food tray

Institutional Size Pouch (ISP)

Boil-In-Bag (BIB)

Activated heater module

Shelf life

Temperature range of operation

Food safety

Health hazard assessment

Material Safety Data Sheet (MSDS)

(3) Heater module examination. The heater module shall be examined for the defects 

listed in table II of MIL-DTL-32235B. The lot size shall be expressed in modules. The 

sample unit shall be one module. The inspection level shall be S-3 and the acceptable quality 

level (AQL), expressed in terms of defects per hundred units, shall be 1.0 for major defects 

and 4.0 for minor defects. Five heater modules shall be examined for critical defects. The 

finding of any critical defect shall be cause for the rejection of the lot.

(4) Heater module and BIB heater module examination. In addition to the heater 

module examination cited in E-5,A(3), the heater module and BIB heater module, as 

applicable, shall be examined for the defects listed in table I in the applicable specification 

sheets. The lot size shall be expressed in modules. The sample unit shall be one module. The 

inspection level shall be S-3 and the AQL, expressed in terms of defects per hundred units, 

shall be 1.0 for major defects and 4.0 for minor defects.

(5) Heater module single heater capacity test. The single heater shall be tested for the 

requirements specified in MIL-DTL-32235B/4, utilizing the double sampling plans indicated 

in ANSI/ASQ Z1.4. The lot size shall be expressed in heaters. The sample unit shall be one 

heater. The inspection level shall be S-3 and the AQL, expressed in terms of defects per 

hundred units, shall be 2.5.

E-6 QUALITY ASSURANCE PROVISIONS (PACKAGING AND PACKING 

MATERIALS)

 A. Packing.

(1) Shipping container and marking examination. The filled and sealed shipping 

containers shall be examined for the defects listed in table II. The lot size shall be expressed 

in shipping containers. The sample unit shall be one shipping container fully packed. The
PKG&QAP MIL-DTL-32235B

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inspection level shall be S-3 and the AQL, expressed in terms of defects per hundred units, 

shall be 4.0 for major defects and 10.0 for total defects.

TABLE II. Shipping container and marking defects

Category Defect

Major Minor

101 Marking missing or incorrect or illegible.

102 Inadequate workmanship. 1/

201 More than 40 pounds of product.

103 MSDS, when required, missing or incorrect or illegible.

1/ Inadequate workmanship is defined as, but not limited to, incomplete closure of container 

flaps, loose strapping, inadequate stapling, improper taping, or bulged or distorted container.

(2) Unit load examination. The unit load shall be examined in accordance with the 

requirements of DLA Troop Support Form 3507. Any nonconformance shall be a major 

defect.
PKG&QAP MIL-DTL-32235B

30 March 2021

SUPERSEDING

PKG&QAP MIL-DTL-32235A

15 September 2010

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SECTION J REFERENCE DOCUMENTS

Unless otherwise specified, the applicable version of these documents is that which is active 

on the date of the solicitation or contract.

DLA Troop Support Forms

Form 3556 Marking Instructions for Boxes, Sacks, and Unit Loads 

of Perishable and Semiperishable Subsistence

Form 3507 Loads, Unit: Preparation of Semiperishable Items

FEDERAL STANDARD

FED-STD-313 Material Safety Data, Transportation Data and Disposal 

Data for Hazardous Materials Furnished To 

Government Activities

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-DTL-32235B Unitized Group Ration – Express (UGR-E) Heater 

Module, General Specification for

MIL-DTL-32235B/3A Unitized Group Ration – Express (UGR-E) Heater 

Module: Boil-In-Bag (BIB) Module

MIL-DTL-32235B/4 Unitized Group Ration – Express (UGR-E) Heater 

Module: Assembled

(Copies of these documents are available online at https://quicksearch.dla.mil or from the 

Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 

19111-5094.)

NON-GOVERNMENTAL STANDARDS

AMERICAN SOCIETY FOR QUALITY (ASQ) www.asq.org

ANSI/ASQ Z1.4 Sampling Procedures and Tables for Inspection by 

Attributes
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ASTM INTERNATIONAL www.astm.org

D1974/D1974M Standard Practice for Methods of Closing, Sealing, and 

Reinforcing Fiberboard Boxes

D4727/D4727M Standard Specification for Corrugated and Solid 

Fiberboard Sheet Stock (Container Grade) and Cut 

Shapes

D5118/D5118M Standard Practice for Fabrication of Fiberboard Shipping 

Boxes