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 |
|---|---|
| 55509 | COOPER CAMERON CORP AJAX-SUPERIOR DI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAVA | POINT DIAMETER | 0.230 INCHES NOMINAL |
| AAVA | POINT DIAMETER | 0.230 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 3 |
| ABQJ | POINT STYLE | CHAMFER DOG |
| THSD | THREAD SERIES DESIGNATOR | ISO M |
| AASB | FASTENER LENGTH | 0.658 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| AASL | HEAD DIAMETER | 0.512 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.374 INCHES MINIMUM |
| MATT | MATERIAL | STEEL COMP 1213 OVERALL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.25 |
| CWDK | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASU | HEAD HEIGHT | 0.229 INCHES NOMINAL |
| AAUY | POINT LENGTH | 0.177 INCHES NOMINAL |