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 |
---|---|
18876 | U S ARMY AVIATION AND MISSILE COMMAN |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASK | HEAD STYLE | KNURLED NO. 1 |
AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
MATT | MATERIAL | COPPER ALLOY OVERALL |
AASL | HEAD DIAMETER | 0.375 INCHES NOMINAL |
ABQJ | POINT STYLE | FLAT |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASU | HEAD HEIGHT | 0.281 INCHES NOMINAL |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
CMLP | THREAD QUANTITY PER INCH | 32 |
AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
SFTT | SURFACE TREATMENT | NICKEL OVERALL |