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jf; Janual'J' 1952 

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AFSA MEMOW'DUY. NO. 120 ... 25/1 

SUBJECT: Security ot Equipment used tor Storage ot Classified Material 

lo AFSA Memorandum No. 120-25(202-50) 29 November 1950 and 

Appendix 1, JO Augwst 1951, are here'by superseded.. The p!'OCedures 

and standards set torth10 herein shall gonrn the use ot vaults, sates, 

and sate cabinets and the cuatod7 ot sate canbinatiozm tor all 

ccmponents or AFSA. 

2o Each vault., sate, and sate cabinet having a ccmbina.t1on lock 

has been aesigned a .Security Cont.rol Division File number tor identif'icat.ion. When present equipment is moved or when new equiJ:lll9llt is 

acquired, ptqsica.l Secur:lt7 Branch wi:U be not.itied imme~iat.el.7 so 

that records ma;r be kept. up t.o datae. 

3. Eo.c_h ccm'binat.ian will be changed: 

a. At lea.at. ""1'7 ttix (6) mont.h& .. 

ti.. Wher1ewr .1r..J"one knowing thf) combination ia t"emov.d tran 

assignment~ A person who haa had access to a cantination is presumed 

to know it. 

c .. Whenever the combination becanes knawn to a.Jl70lle not 

authorized t.o know it. A person who haa had acceaa t.o a ccmbination ~a presumed to know it .. 

4. Canbiria:~iona will be furnished to Ph7sical Security Branch 

in sealed envelopes, (Sare and File Canbination Record - PRl\'C-NCSW 

36.5) tor use in emergencies. The Securit.7 Ccntrol Division File 

Number assigned to the equipaent will be inaertad on the top line 

ot each envelope, and a list or t.he names and badge numbers of persons 

to wham the envelope ma;y be iasued will be written in the space 

provided. 

5. The keJB to key-locked and bar-locked cabinets will be 

stored in combination-locked sates or cabinets. 

6. Whenever t.he c:e111bination of a ea.re ia needed, it ma7 be 

obtained tran the f'hlaical j•~~r1~7 of ricer or the Securit;r Wat.ch 

otticer. The envelope containing t..he cClltbination will be given only 

to t.be ])JrentOI", Dapqt11>1,....~,lf'lo""'· Cblt'f ot St.att9 Start Dat.J Ot:i,~'AI 

Of' •n.J pereon vho::iae mme appaeH cm the envelope., 

.<ESTRI CTED 

eclassified and a roved for r lease b NSA on 5-0 -2014 ursuantto E.O. 135 
, .. • REF ID: A6653..dt, 

~ F..S I t< I (:-rED 9 

7. Responsible Chiefs and Heads or organiza~ional units will 

insure that the instructions listed below art. vnderstood and tollow~d 

by all persons in their units who are responsible tor locking and 

cheeking aarea and cabinets. 

· a. When a canbination lock is being locked the ccmbinatian di~l should be turned in one direction ~t least tour lA) complete turns. 

It should not be turned one way and then the other, and IT SHOULD NOT 

BE SPUN R"rIDLY. 

b. Betore a safe-cabinet is locked, all drawers must be 

completely closed. After the canbination is turned, the locker should 

check by depressing the l~tch of each dr~wer and attempting vigorously 

to open the drawer. . c. Wher. a cabinet is being secured with a bar lock, the 

locker should insure that the bar is put through all fasteners and. 

that the p3dlock is cornplete:cyr closed and lockedo 

d. When a cabinet ot any type is being secured, care should 

be taken to insure that loose papers, paper clips, etc., do not become 

wedged behind dr~wers or in the drawer tracks. 

8. E~ch piece or equianent used to store classified matter will 

bear, posted in a conspicuous place, a list ot the names, heme addresses, 

<ind h0"18 telephone numbers ot all persons authorized to open the 

equipnent ind use its contents. 

9o A Security Record Certiricate will be posted on each piece or 

equipment used tor the storing ot classified material and on each 

door to a room which has been d•clared a restricted or secured areaQ 

On this sheet will be recorded the date and time or each opening, 

locking, and checking of the equipr11cnt or door and the signature of 

the person who pertorms the function. When these sheets beccme 

completely tilled, they will be signed by the chief oz- head or the 

oi-ganizational unit concerned ~nd forwarded to Pbysical Security 

Branch for review. 

10. E~ch piece ot equipment used for the storage or classified 

material will, when open .lnd in use, bear a red card with the print 

legend "Open". When it is closed and locked the card will be 

reversed to reveal the legend "Closed"· 

ll. Each equipment used to store only unclassified material 

will bear a legend to that etrect signed b7 the appropriate unit 

Chier or Hed.de 

2 
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I' ~ ~~. ~_:>- =. ~6~5li AL--...1 I k It~. I tf..1 ~Q=25f.± 

12. All forms, cards, and envelopes prescribed in thia 

memorandum may be obtained from the Publications and Reproductions 

'51'9Mh ot the AdJutant Oen.ere::. •a o1'f'1~- • 

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FOR THE DIRECTOR; 

DISTRIBUTION IV 

'3 

~_,,_;~ GEOa E. C 

ColCflel, AGC 

Adjutant General 

RES-FRICTED