Part Number
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.
CAGE Information
| Code | Company |
|---|---|
| 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL D |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| AATX | SHOULDER LENGTH | 0.875 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AASL | HEAD DIAMETER | 0.130 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| MATT | MATERIAL | STEEL COMP 1137 OVERALL OR STEEL COMP 1144 OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASA | THREAD LENGTH | 0.375 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASU | HEAD HEIGHT | 0.062 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| AATN | SHOULDER DIAMETER | 0.090 INCHES MINIMUM FIRST SHOULDER AND 0.093 INCHES MAXIMUM FIRST SHOULDER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-16232,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASB | FASTENER LENGTH | 1.250 INCHES NOMINAL |