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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , CLOSE TOLERANCE

Definition:

A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.

CAGE Information

Code Company
06725 SPS TECHNOLOGIES LLC DBA AIR INDUSTR

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.574 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
AASL HEAD DIAMETER 0.826 INCHES MINIMUM AND 0.888 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
ANEE GRIP LENGTH 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AASB FASTENER LENGTH 1.646 INCHES MINIMUM AND 1.676 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATT MATERIAL STEEL COMP XM-13 OVERALL
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAUR GRIP DIAMETER 0.4365 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CMLP THREAD QUANTITY PER INCH 20
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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