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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , SHOULDER

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.

CAGE Information

Code Company
89619 MACK TRUCKS INC. DBA MACUNGIE OPERAT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
SFTT SURFACE TREATMENT ZINC OVERALL
AASA THREAD LENGTH 0.300 INCHES MINIMUM
ABQZ INTERNAL DRIVE STYLE SLOT
AASU HEAD HEIGHT 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 1017 OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
THSD THREAD SERIES DESIGNATOR UNF
AAJD THREAD CLASS 2A
AGAV END ITEM IDENTIFICATION NSN 2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM)
AASL HEAD DIAMETER 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 32
AASB FASTENER LENGTH 1.880 INCHES MINIMUM AND 1.890 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION BW-162B-P FSCM 06853 MFR REF SINGLE TREATMENT RESPONSE OVERALL

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