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 |
---|---|
81996 | U S ARMY AVIATION AND MISSILE COMMAN |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL AND OXIDE OVERALL |
AASK | HEAD STYLE | KNURLED NO. 4 |
MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
AASB | FASTENER LENGTH | 0.906 INCHES NOMINAL |
AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AHYM | NOMINAL THREAD DIAMETER | 0.106 INCHES |
AASU | HEAD HEIGHT | 0.125 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AASA | THREAD LENGTH | 0.281 INCHES NOMINAL |
AGAV | END ITEM IDENTIFICATION | HGU-56/P AIRCREW INTEGRATED HELMET, ALL SIZES |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TY VI,VII,VIII FED SPEC 1ST TREATMENT RESPONSE OVERALL AND MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CL 430,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 40 |