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 |
|---|---|
| 49956 | RAYTHEON COMPANY DBA RAYTHEON |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | THUMB NO. 9 |
| AASK | HEAD STYLE | THUMB NO. 9 |
| AASU | HEAD HEIGHT | 0.688 INCHES NOMINAL |
| ABQJ | POINT STYLE | CONE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AATB | WIDTH BETWEEN FLATS | 1.625 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASB | FASTENER LENGTH | 1.250 INCHES NOMINAL |