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Part Number

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

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (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 NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WITH A THREAD DIAMETER SMALLER THAN NO. 10 (0.190 IN.) (5 MM) AND THOSE ITEMS WITH AN INSERTED DRIVE HEAD, USE SCREW, SHOULDER. FOR ITEMS WHICH ARE NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE BOLT, EXTERNALLY RELIEVED BODY. EXCLUDES THUMBSCREW.

CAGE Information

Code Company
93037 PROGRESSIVE SERVICE CO

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASU HEAD HEIGHT 0.150 INCHES NOMINAL
AASU HEAD HEIGHT 0.150 INCHES NOMINAL
AASA THREAD LENGTH 0.450 INCHES MINIMUM
CMLP THREAD QUANTITY PER INCH 24
AASB FASTENER LENGTH 2.400 INCHES NOMINAL
AAJD THREAD CLASS 3A
CWYB SHOULDER SHAPE ROUND FIRST SHOULDER
AAJF THREAD DIRECTION RIGHT-HAND
FEAT SPECIAL FEATURES UNDERCUT BETWEEN SHOULDER AND THREADS 0.050 IN. WIDE
AATN SHOULDER DIAMETER 0.872 INCHES MINIMUM FIRST SHOULDER AND 0.873 INCHES MAXIMUM FIRST SHOULDER
AASL HEAD DIAMETER 1.375 INCHES NOMINAL
AATB WIDTH BETWEEN FLATS 1.200 INCHES NOMINAL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATT MATERIAL STEEL OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AATX SHOULDER LENGTH 1.900 INCHES NOMINAL FIRST SHOULDER
AASK HEAD STYLE ROUND W/WRENCH FLATS
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 4340 FSCM 81996 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL

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