Part Number
Part Number:
NSN:
NIIN:
Item Name:
THUMBSCREW
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. IT MAY HAVE AN UNTHREADED PORTION WITH A DIAMETER LESS THAN, EQUAL TO, OR GREATER THAN THE DIAMETER OF THE THREADED PORTION. IT HAS EITHER A VERTICALLY FLATTENED, CIRCULAR KNURLED, OR WING TYPE HEAD, ALL OF WHICH ARE DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. FOR ITEMS HAVING WRENCHING FACILITIES SUCH AS SOCKET RECESS, MULTIPLE SPLINE OR SLOT HEADS, USE SCREW (AS MODIFIED) OR BOLT (AS MODIFIED).
CAGE Information
Code | Company |
---|---|
10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASA | THREAD LENGTH | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
AASA | THREAD LENGTH | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
MATT | MATERIAL | STEEL COMP 304 OVERALL |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
ABQJ | POINT STYLE | FLAT |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASU | HEAD HEIGHT | 0.530 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AATB | WIDTH BETWEEN FLATS | 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
AASB | FASTENER LENGTH | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 20 |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
AASK | HEAD STYLE | THUMB NO. 3 |