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 |
|---|---|
| 35351 | GE AVIATION SYSTEMS LLC |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AASA | THREAD LENGTH | 0.625 INCHES MINIMUM |
| AASL | HEAD DIAMETER | 0.625 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.375 INCHES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.875 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| AATN | SHOULDER DIAMETER | 0.500 INCHES NOMINAL FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AATX | SHOULDER LENGTH | 0.625 INCHES NOMINAL FIRST SHOULDER |