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 |
|---|---|
| 01417 | GENERAL DYNAMICS LAND SYSTEMS INC DB |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AASL | HEAD DIAMETER | 1.723 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 1.155 INCHES MINIMUM AND 1.185 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| ASDB | WIDTH ACROSS FLATS | 0.625 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AATX | SHOULDER LENGTH | 7.910 INCHES MINIMUM FIRST SHOULDER AND 7.970 INCHES MAXIMUM FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| CMLP | THREAD QUANTITY PER INCH | 9 |
| AGAV | END ITEM IDENTIFICATION | 5420-01-430-5403 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASU | HEAD HEIGHT | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AATN | SHOULDER DIAMETER | 1.246 INCHES MINIMUM FIRST SHOULDER AND 1.250 INCHES MAXIMUM FIRST SHOULDER |
| AASB | FASTENER LENGTH | 9.095 INCHES MINIMUM AND 9.125 INCHES MAXIMUM |