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National Stock Number (NSN) Output Data

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.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
717512541-001 04939 A 3 2 A KZ

CAGE Information

Code Company
04939 LOCKHEED MARTIN CORPORATION DBA LOCK

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASU HEAD HEIGHT 0.172 INCHES MINIMUM AND 0.202 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CWYB SHOULDER SHAPE ROUND FIRST SHOULDER
AASA THREAD LENGTH 0.258 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE W/O INTERNAL DRIVE
AASB FASTENER LENGTH 1.078 INCHES MINIMUM AND 1.108 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL IRON ALLOY 660 OVERALL
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AATX SHOULDER LENGTH 0.820 INCHES NOMINAL FIRST SHOULDER
AASK HEAD STYLE HEXAGON
AATN SHOULDER DIAMETER 0.1243 INCHES MINIMUM FIRST SHOULDER AND 0.1248 INCHES MAXIMUM FIRST SHOULDER
AATB WIDTH BETWEEN FLATS 0.172 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 40

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