NIIN Output Data
NIIN:
NSN:
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).
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| MS21316-43 | 96906 | M | 2 | 2 | E | XX | ||
| 90179D578 | 39428 | A | C | 1 | 9 | TU |
CAGE Information
| Code | Company |
|---|---|
| 39428 | MCMASTER-CARR SUPPLY COMPANY |
| 96906 | MILITARY STANDARDS PROMULGATED BY MI |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AASB | FASTENER LENGTH | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASA | THREAD LENGTH | 0.358 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| ABQJ | POINT STYLE | FLAT |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AATN | SHOULDER DIAMETER | 0.550 INCHES MINIMUM FIRST SHOULDER AND 0.590 INCHES MAXIMUM FIRST SHOULDER |
| AATB | WIDTH BETWEEN FLATS | 0.650 INCHES MINIMUM AND 0.790 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| AASU | HEAD HEIGHT | 0.710 INCHES MINIMUM AND 0.790 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| AASK | HEAD STYLE | THUMB NO. 3 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |