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 |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 1 |
| FEAT | SPECIAL FEATURES | STEEL 12L14 FOOT,OR NYLON FOOT |
| AASL | HEAD DIAMETER | 1.125 INCHES NOMINAL |
| AAUY | POINT LENGTH | 0.156 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| AAJD | THREAD CLASS | 3A |
| SFTT | SURFACE TREATMENT | ZINC OVERALL AND CHROMATE OVERALL |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 12L14 CAGEC 20418 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVA | POINT DIAMETER | 0.500 INCHES NOMINAL |
| CTLL | POINT SWIVEL INCLUDED ANGLE | 40.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL OVERALL |
| AASB | FASTENER LENGTH | 1.594 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASA | THREAD LENGTH | 1.250 INCHES NOMINAL |
| ABQJ | POINT STYLE | UNIVERSAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2,CL FE/ZN ASSN STD SINGLE TREATMENT RESPONSE OVERALL |