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 |
---|---|
93346 | SENSOR AND ANTENNA SYSTEMS, LANSDALE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
AASK | HEAD STYLE | KNURLED NO. 1 |
AASU | HEAD HEIGHT | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM |
MATT | MATERIAL | STEEL COMP 303 OVERALL |
FEAT | SPECIAL FEATURES | UNTHREADED PORTION OF SHANK UNDERCUT TO 0.116 DIA |
AATX | SHOULDER LENGTH | 0.020 INCHES NOMINAL FIRST SHOULDER |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
AASL | HEAD DIAMETER | 0.380 INCHES NOMINAL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASB | FASTENER LENGTH | 0.700 INCHES MINIMUM AND 0.720 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
AASA | THREAD LENGTH | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
ABQJ | POINT STYLE | POINTLESS |
THSD | THREAD SERIES DESIGNATOR | UNC |
AAJD | THREAD CLASS | 2A |
AATN | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
CMLP | THREAD QUANTITY PER INCH | 32 |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |