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 |
|---|---|
| 05395 | L-3 COMMUNICATIONS CORPORATION DIV M |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAVA | POINT DIAMETER | 0.188 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AAUY | POINT LENGTH | 0.281 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 1.000 INCHES NOMINAL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| AASA | THREAD LENGTH | 1.219 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1213 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| CWDK | POINT CHAMFER ANGLE | 40.0 DEGREES NOMINAL |
| AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| ABQJ | POINT STYLE | UNIVERSAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |