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 |
|---|---|
| 58905 | STRIKE WEAPONS AND UNMANNED AVIATION |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AATN | SHOULDER DIAMETER | 0.875 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.690 INCHES NOMINAL FIRST SHOULDER |
| AASK | HEAD STYLE | KNURLED NO. 6 |
| AASL | HEAD DIAMETER | 1.000 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.500 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 1.750 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 3.940 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| FEAT | SPECIAL FEATURES | COTTER PIN HOLE IN THREADS 0.125 IN. DIA; WASHER WELDED UNDER HEAD |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |