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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , CAP , SOCKET HEAD

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.

CAGE Information

Code Company
0HDW7 HUCK INTERNATIONAL INC. DBA ALCOA FA

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASL HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AAJD THREAD CLASS 3A
THSD THREAD SERIES DESIGNATOR UNRF
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
MATT MATERIAL STEEL OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-26074,CL 1 GR B MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
ASDB WIDTH ACROSS FLATS 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 170000 POUNDS PER SQUARE INCH
ZZZX DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY SURFACE FINISH
AASB FASTENER LENGTH 4.980 INCHES MINIMUM AND 5.020 INCHES MAXIMUM
ZZZT NONDEFINITIVE SPEC/STD DATA 6 TYPE
ABQZ INTERNAL DRIVE STYLE HEXAGON
AASA THREAD LENGTH 1.000 INCHES MINIMUM
CQHQ MINIMUM YIELD STRENGTH 150000 POUNDS PER SQUARE INCH
SFTT SURFACE TREATMENT NICKEL OVERALL

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