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 |
---|---|
25472 | BFGOODRICH CO THE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASK | HEAD STYLE | KNURLED NO. 1 |
AASK | HEAD STYLE | KNURLED NO. 1 |
AASU | HEAD HEIGHT | 0.097 INCHES MINIMUM AND 0.101 INCHES MAXIMUM |
THSD | THREAD SERIES DESIGNATOR | UNEF |
AASL | HEAD DIAMETER | 0.625 INCHES NOMINAL |
AAJD | THREAD CLASS | 3A |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
ABQJ | POINT STYLE | FLAT |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASB | FASTENER LENGTH | 0.743 INCHES MINIMUM AND 0.747 INCHES MAXIMUM |
MATT | MATERIAL | STEEL OVERALL |
AASA | THREAD LENGTH | 0.743 INCHES MINIMUM AND 0.747 INCHES MAXIMUM |
CMLP | THREAD QUANTITY PER INCH | 32 |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL |