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 |
|---|---|
| 81205 | THE BOEING COMPANY DBA BOEING DIV DE |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASB | FASTENER LENGTH | 2.768 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.3490 INCHES MINIMUM FIRST SHOULDER AND 0.3500 INCHES MAXIMUM FIRST SHOULDER |
| AAJD | THREAD CLASS | 3A |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AHYM | NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| AASA | THREAD LENGTH | 0.358 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.600 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.200 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 2.410 INCHES NOMINAL FIRST SHOULDER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| AASK | HEAD STYLE | PAN |