CS744-Series

Consumables & Spare Parts Reference Card
Note: Part numbers and standards’ values may change. Consult LECO for the latest information.

EMPOWERING RESULTS

619-591-683
COMBUSTION
TUBE

619-591-385
O-RING

619-590-409
TUBE
619-590-412
TUBE

775-314
O-RING
619-591-649
DUST FILTER/AUTOCLEANER
ADAPTER ASSYBASE

772-520
O-RING(9 REQ’D)

619-591-878
BALSTONFILTER NUT(2 REQ’D)

760-335
O-RING
619-590-859
WIPER
SEAL

619-593-476
DUAL INSERTPNEUMATIC
762-058BLOCK
O-RING
760-359(2 REQ'D)O-RING(3 REQ’D)
778-596
FILTER

619-592-577
DUST CUPFILTER

156-003
O-RING(2 REQ’D)

619-591-314
TUBE

619-590-718
FTGEL
625-501-801
10-32TDPISTON
1/8TUBE
VALVE
774-613
O-RING

769-973
ROLL PIN(2 REQ'D)

619-590-551
MOUNTING
COLLAR

619-590-861
O-RING

619-590-458
COMBUSTION TUBE
INTERNAL SEAL

619-592-780
HOUSING
VALVE

501-110-009
TUBING.375ID X .125W

619-591-385
O-RING
619-591-282
RETAINING
ROD (2 REQ’D)

619-590-588
ADAPTER
612-844FITTING

190-246
SCREW(2 REQ'D)
619-592-779
CAP INCH
VALVE

OPTIONAL
AUTOCLEANER

771-043
O-RING

619-591-648
OUTER
FILTER
HOUSING

617-228
BALSTONFILTER
SCREW(2 REQ’D)
619-591-699
IN-LINEFILTER
0.1MICRONDISPOSABL E

619-592-340
PEDESTAL
BASE

190-995
SCREW (3 REQ’D)

619-593-393
LANCE
LOCK PIN
619-593-481
MALE
FITTING(2 REQ’D)PARTICLE
FILTER

619-591-740
TUBE

190-930SCREW (3 REQ’D)

619-593-392
INLET LANCE

619-591-315
TUBE

605-816
PEDESTAL

619-591-756
RETAINER RING

619-592-926
O-RING774-489
O-RING

765-976
O-RING(3 REQ’D)

619-591-969
WIRE BRUSH

619-592-917
LOWER
COMBUSTIONTUBE RING

619-590-751
EMI SHIELD
RING

617-083
O-RING(2 REQ’D)

778-114
O-RING(2 REQ’D)

619-593-538
BRUSH
EXTENSION SHAFT

619-591-682
UPPER
COMBUSTIONTUBE RINGOPTIONAL

772-694
SCREW(2 REQ’D)

619-592-787
AUTOCLEANERSPIRAL RETAINER
619-591-970
BRUSH
194-198
NUT (2 REQ’D)
619-591-972
WASHER (2 REQ’D)

619-591-385
O-RING

Optional

190-728
SCREW(2 REQ’D)
619-592-786
MANUALFILTER CAPINSULATION
619-592-566
SST MANUALFILTERCAP ASSY.
775-314
O-RING
760-841
O-RING
619-592-638
SPARK
ARRESTORMANUALLANCE

619-591-624
ELBOW FITTING(2 REQ’D)
190-569
SCREW(6 REQ’D)
619-591-288
AIR CYLINDER(2 REQ’D)
619-591-430
SWITCH ASSY.

619-591-989
INNER RELEASEHANDLE (2 REQ’D)

619-592-153
SPRING (2 REQ’D)
619-591-281
HANDLE (2 REQ’D)
619-591-946
RIGHT RETAINING PIN
619-592-141
RETAINING PIN
MOUNTING BLOCK

Optional619-590-301SHOULDER WASHER
190-329
SCREW

Form No. 203-104-059 Rev. 14619-591-945
LEFT RETAINING PIN

190-782
SCREW(2 REQ’D)

See reverse side for contact information
LECO is a registered trademark of LECO Corporation

2/11/2022

COMBUSTION SUPPLIESREAGENT TUBES

528-018528-018HP
528-050619-880619-880-100
619-591-683
778-596619-593-443
619-591-970
762-058605-816782-880782-345619-593-542
501-082619-590-412 Quartz Tube, requires one (1) 778-114 O-ringand one (1) 772-520 O-ring for sealing
619-590-409 Quartz Tube, requires one (1) 778-114 O-ringand one (1) 772-520 O-ring for sealing
619-591-740 Glass Tube, requires one (1) 765-976 O-ringand one (1) 772-520 O-ring for sealing
619-591-314 Glass Tube, requires one (1) 765-976 O-ringand one (1) 772-520 O-ring for sealing
619-591-315 Glass Tube, requires one (2) 772-520 O-ringand one (1) 765-976 O-ring for sealing

Ceramic Crucible 1000/box
High Purity Ceramic Crucibles 1000/box
Ceramic Crucible 500/box, bags of 50
Ceramic Crucible Cover with Hole, 1000/box
Ceramic Crucible Cover with Hole, 100/box
Combustion Tube (Quartz)
Dust Filter (SST Filter)
Lance Cleaning Wire
Lower Cleaning Brush (Reworked Brush)O-ring, Dust Filter
Silicon Nitride Pedestal
Filter Vacuum
Filter HEPA Vacuum
Vacuum Hose
Wire Cleaning BrushACCELERATORS
502-492
501-263501-640501-264502-231501-077763-026763-266502-297501-008502-173763-263763-027

Copper Accelerator HP (0.44 lb/200 g)
Copper Metal Accelerator 1.36 kg (3 lb) bottle
Copper Metal Accelerator 9 kg (20 lb)
container
Copper Metal Accelerator, 227 g (0.5 lb) bottleHigh Purity Iron Accelerator 454 g (1 lb) bottle
Iron Chip Accelerator 0.9 kg (2 lb) bottle
LECOCEL® 13.6 kg (30 lb) container
LECOCEL® 2.27 kg (5 lb) bottle
LECOCEL® II (30 lb/13.6 kg)
LECOCEL® II 2.27 kg (5 lb) bottle
LECOCEL® II HP 750 g (1.7 lb) bottle
LECOCEL® III 2.27 kg (5 lb) bottle
LECOCEL® III 13.6 kg (30 lb) container

CATALYSTS AND REAGENTS
501-171-HAZ
764-098502-174-HAZ
502-176-HAZ
501-587502-177
501-170

Anhydrone 454 g (1 lb) bottle
Cellulose 454 g (1 lb) package
Lecosorb 500 g bottle, 20–30 mesh
Lecosorb 500 g bottle, 8–20 mesh
Platinum/Silica 15 g bottle
Quartz Wool 50 g package
Rare Earth Copper Oxide 50 g bottle

619-590-412
TUBE

502-177
QUARTZWOOL(FINE)(3" REQ'D)

501-587
PLATINUM
SILICACATALYST(2" REQ'D)

OPERATION ACCESSORIES
619-591-699 Balston Filter
761-929
Crucible Tongs
619-590-751 EMI Gasket
625-711-260 Screen/Doser Removal Tool
775-306
Secondary Filter, 10 micron
503-032
Glass Accelerator Scoop773-579
Metal Accelerator Scoop
764-078
One gram Weight760-138
Sample Tweezers
501-241
Vacuum Grease502-023
Tube Funnel
762-515
O-Ring Removal Tool502-237
Cleaning Wipes
619-592-597 Dust Removal Tool
614-704
Cabinet Air Filter (6.5 x 7.0 x 0.47 AL)

MAINTENANCE PARTS KITS
104-156
104-157
104-158
104-159
104-160
104-161

C/CS744 Manual Clean w/Perform MPK
C/CS744 Autoloclean w/Perform MPK
C/CS744 Manual Clean w/o Perform MPK
C/CS744 Autoclean w/o Perform MPK
S744 w/Perform MPK
S744 Manual Clean w/o Perform MPK

REFERENCE MATERIALS AND STANDARDSCurrent part numbers and values for LECO Reference
Materials and Standard (209-296) can be found athttps://www.leco.com/consumables

OPTIONAL

619-591-740
TUBE

619-591-314
TUBE

619-590-409
TUBE

789-095
REAGENT
STOP
765-976
O-RING(2 REQ'D)
764-098
CELLULOSE(9" REQ'D)

502-177
QUARTZ WOOL(FINE) (2" REQ'D)

502-177
QUARTZWOOL (FINE)(1/2" REQ'D)

619-591-315
TUBE
502-177
QUARTZ WOOL(FINE) (1/2" REQ'D)

502-177
QUARTZWOOL (FINE)(1/2" REQ'D)502-174-HAZ
LECOSORB(5 1/3" REQ'D)
501-170
RARE EARTH
COPPER OXIDE(5" REQ'D)

501-171-HAZ
ANHYDRONE(2 1/2" REQ'D)

502-177
QUARTZ WOOL(FINE) (1" REQ'D)

502-177
QUARTZ WOOL(FINE) (1" REQ'D)

775-306
FILTERSCREEN

775-306
FILTERSCREEN

501-171-HAZ
ANHYDRONE(2 2/3" REQ'D)
502-177
QUARTZ WOOL(FINE) (1" REQ'D)

Please Note: Quartz Tubes are typically utilized for higher temperature applications (i.e. catalyst tubes). Glass reagent/filter tubes are designed for lower temperatureapplications. Glass tubes should not be used in place of quartz tubes.
NOTE: Part numbers and standards’ values may change.
Consult LECO for latest information.

United States: 800-292-6141 • Canada: 800-268-0215 • Other Countries: 269-985-5496
info@leco.com • www.leco.com • ISO-9001:2015 Q-994 • © 2022 LECO Corporation

EMPOWERING RESULTS
Form No. 203-104-059 Rev. 14

LECO is a registered trademark of LECO Corporation

2/11/2022