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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , RIBBED NECK

Definition:

A HEADED EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER WITH A SERIES OF LONGITUDINAL RIBS, SPLINES OR SERRATIONS ON ALL OR PART OF THE UNTHREADED PORTION. SEE ALSO BOLT, RIBBED SHOULDER.

CAGE Information

Code Company
52793 SAGINAW PRODUCTS CORPORATION DBA CIG

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
AASA THREAD LENGTH 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 4140 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL AND ZINC OVERALL AND CHROMATE OVERALL OR CHROMATE OVERALL
AASB FASTENER LENGTH 1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CQBC MINIMUM TENSILE STRENGTH 120000 POUNDS PER SQUARE INCH
AASK HEAD STYLE FLAT CHAMFER
CQFM HARDNESS RATING 28.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNF
AAJD THREAD CLASS 2A
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
AASL HEAD DIAMETER 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
AAVQ RIB LENGTH 0.287 INCHES MINIMUM AND 0.329 INCHES MAXIMUM
AAVP RIB MAJOR DIAMETER 0.405 INCHES MINIMUM AND 0.410 INCHES MAXIMUM

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