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 |
|---|---|
| 20418 | DRS SUSTAINMENT SYSTEMS INC. DIV DRS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAVA | POINT DIAMETER | 0.250 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 4 |
| AASL | HEAD DIAMETER | 1.125 INCHES NOMINAL |
| AAUY | POINT LENGTH | 0.422 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AASA | THREAD LENGTH | 1.516 INCHES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING FASTENER |
| AASU | HEAD HEIGHT | 0.344 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CTLL | POINT SWIVEL INCLUDED ANGLE | 20.0 DEGREES NOMINAL |
| MATT | MATERIAL | PLASTIC NYLON POINT |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 2.094 INCHES NOMINAL |
| ABQJ | POINT STYLE | UNIVERSAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SFTT | SURFACE TREATMENT | ZINC FASTENER AND CHROMATE FASTENER |