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 |
|---|---|
| 03538 | LOCKHEED MARTIN CORPORATION DBA MS2 |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | THUMB NO. 5 |
| ABQJ | POINT STYLE | CONE |
| AATB | WIDTH BETWEEN FLATS | 0.625 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASU | HEAD HEIGHT | 0.438 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.938 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.188 INCHES MINIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |