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 |
|---|---|
| 39428 | MCMASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AAJD | THREAD CLASS | 3A |
| MATT | MATERIAL | PLASTIC OVERALL |
| AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
| HUES | COLOR | NATURAL OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| ABQJ | POINT STYLE | OVAL |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | STRAIGHT KNURL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASA | THREAD LENGTH | 0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |