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 |
|---|---|
| 03538 | LOCKHEED MARTIN CORPORATION DBA MS2 |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAWC | FIRST DIAMETER FROM HEAD | 0.146 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASA | THREAD LENGTH | 1.089 INCHES MINIMUM |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 1.190 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.101 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.310 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |