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 |
|---|---|
| 18265 | DONALDSON COMPANY INC. DBA TORIT PRO |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| CWDK | POINT CHAMFER ANGLE | 30.0 DEGREES NOMINAL |
| ABQJ | POINT STYLE | CONE |
| AATN | SHOULDER DIAMETER | 0.432 INCHES MINIMUM FIRST SHOULDER AND 0.437 INCHES MAXIMUM FIRST SHOULDER |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.312 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.937 INCHES MINIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AATX | SHOULDER LENGTH | 0.500 INCHES NOMINAL FIRST SHOULDER |
| AASK | HEAD STYLE | WING NO. 4 |
| AAUY | POINT LENGTH | 0.375 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| AATB | WIDTH BETWEEN FLATS | 1.750 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 1.063 INCHES NOMINAL |