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 |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 1 |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| AAJD | THREAD CLASS | 3A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.000 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | HOLE DRILLED IN CENTER OF HEAD 0.048 INCH MIN 0.083 INCH MAX DIA; 0.184 INCH MAX DEEP; COUNTERSUNK 60 DEG TO 0.187 INCH DIA MAX OPTIONAL |
| AASB | FASTENER LENGTH | 7.420 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.380 INCHES NOMINAL |