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 |
|---|---|
| 12464 | MCDONNELL DOUGLAS CORP MCDONNELL DOU |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | STEEL COMP 303 FASTENER |
| SFTT | SURFACE TREATMENT | ANODIZE HEAD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AASA | THREAD LENGTH | 1.100 INCHES MINIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASU | HEAD HEIGHT | 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.580 INCHES NOMINAL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| FEAT | SPECIAL FEATURES | HOLE IN HEAD,NOM 0.078 DIA THROUGH,NOM 0.109 DIA X45 DEGREE COUNTERSINK BOTH SIDED; FURNISH WITH PIN,SPRING SLOTTED |
| SFTT | SURFACE TREATMENT | PASSIVATE FASTENER |
| AATB | WIDTH BETWEEN FLATS | 1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM |
| MATT | MATERIAL | ALUMINUM ALLOY HEAD |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SPS 03301,TY1,CAGE 12464 MFR REF SINGLE TREATMENT RESPONSE FASTENER |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AASK | HEAD STYLE | PALM GRIP |