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 |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASB | FASTENER LENGTH | 1.375 INCHES NOMINAL |
| AAJD | THREAD CLASS | 2A |
| AATN | SHOULDER DIAMETER | 0.312 INCHES NOMINAL FIRST SHOULDER |
| AASA | THREAD LENGTH | 1.000 INCHES MINIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AATX | SHOULDER LENGTH | 0.125 INCHES NOMINAL FIRST SHOULDER |