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 |
|---|---|
| 94259 | WESTINGHOUSE ELECTRIC CORP BETTIS AT |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 2 |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUAILTY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 3.620 INCHES MINIMUM AND 3.630 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.880 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.870 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 CL 304,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |