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 |
|---|---|
| 80063 | US ARMY COMMUNICATIONS & ELECTRONICS |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CWYB | SHOULDER SHAPE | SQUARE OVERALL |
| AAVJ | SHOULDER WIDTH ACROSS FLATS | 0.390 INCHES NOMINAL OVERALL |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AATX | SHOULDER LENGTH | 1.000 INCHES NOMINAL OVERALL |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAUY | POINT LENGTH | 0.032 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| ABQJ | POINT STYLE | FLAT |
| AATB | WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| SFTT | SURFACE TREATMENT | ENAMEL OVERALL |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.511 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| CWDK | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| AAJD | THREAD CLASS | 2A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SC-A-706376-80063 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.208 INCHES MINIMUM AND 0.212 INCHES MAXIMUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.880 INCHES NOMINAL |
| TEST | TEST DATA DOCUMENT | 80063-SC-A-706141 DRAWING |
| AASK | HEAD STYLE | THUMB NO. 4 |