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 |
|---|---|
| 19206 | DEPARTMENT OF THE ARMY WATERVLIET AR |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASA | THREAD LENGTH | 0.531 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.625 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | 1/16 IN. X 45 DEGREES CHAMFER ON UNDERCUT END OF THREAD |
| AATB | WIDTH BETWEEN FLATS | 2.750 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1050 OVERALL OR STEEL COMP 1026 OVERALL OR STEEL COMP 1548 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1042 OVERALL OR STEEL COMP 1049 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1008 OVERALL OR STEEL COMP 1035 OVERALL OR STEEL COMP 1045 OVERALL OR STEEL COMP 1046 OVERALL OR STEEL COMP 1025 OVERALL OR STEEL COMP 1022 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQJ | POINT STYLE | OVAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| AASK | HEAD STYLE | WING NO. 3 |
| CMLP | THREAD QUANTITY PER INCH | 10 |