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 |
|---|---|
| 2V507 | MC MASTER-CARR SUPPLY COMPANY |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASK | HEAD STYLE | KNURLED NO. 1 |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| CQBC | MINIMUM TENSILE STRENGTH | 70000 POUNDS PER SQUARE INCH |
| AASU | HEAD HEIGHT | 4.0 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
| AASA | THREAD LENGTH | 19.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM |
| CQFM | HARDNESS RATING | 84.0 ROCKWELL B MINIMUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 19.0 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | THUMB SCREW |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6H |
| HUES | COLOR | BLACK OVERALL |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| AASL | HEAD DIAMETER | 23.0 MILLIMETERS MINIMUM AND 25.0 MILLIMETERS MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 6.0 MILLIMETERS |
| THSD | THREAD SERIES DESIGNATOR | M |
| AGAV | END ITEM IDENTIFICATION | 1025-99-463-7551 HOWITZER, MEDIUM, TOWED |