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 |
|---|---|
| 76301 | BOEING COMPANY THE DBA BOEING |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASU | HEAD HEIGHT | 0.500 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.610 INCHES NOMINAL FIRST SHOULDER |
| AASK | HEAD STYLE | KNURLED NO. 4 |
| THSD | THREAD SERIES DESIGNATOR | UNEF |
| AASL | HEAD DIAMETER | 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQJ | POINT STYLE | FULL DOG |
| AASB | FASTENER LENGTH | 1.600 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 0.350 INCHES NOMINAL FIRST SHOULDER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 4640 ALLOY 630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| FEAT | SPECIAL FEATURES | DIAMOND KNURL |
| MATT | MATERIAL | COPPER OVERALL |
| AASA | THREAD LENGTH | 0.600 INCHES NOMINAL |