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 |
|---|---|
| 77445 | UNITED TECHNOLOGIES CORPORATION DBA |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AASB | FASTENER LENGTH | 3.094 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 1.125 INCHES NOMINAL |
| AAUY | POINT LENGTH | 0.422 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AASA | THREAD LENGTH | 2.884 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVA | POINT DIAMETER | 0.500 INCHES NOMINAL |
| CTLL | POINT SWIVEL INCLUDED ANGLE | 40.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1213 FASTENER |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER AND CHROMATE FASTENER OR OXIDE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER OR MIL-C-13294 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER |
| FEAT | SPECIAL FEATURES | THREADED BALL PERMITTED |
| ABQJ | POINT STYLE | UNIVERSAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CWDK | POINT CHAMFER ANGLE | 15.0 DEGREES NOMINAL |