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 |
|---|---|
| 81039 | GE AVIATION SYSTEMS LLC |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| AATX | SHOULDER LENGTH | 0.093 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| FEAT | SPECIAL FEATURES | 0.016 IN. RADIUS UNDERCUT UNDER HEAD; 0.095 IN. DIA UNDERCUT UNDER BY 0.040 IN. WITH END OF THREADS |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| AASU | HEAD HEIGHT | 0.046 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.245 INCHES NOMINAL FIRST SHOULDER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| THSD | THREAD SERIES DESIGNATOR | ACME |
| AASB | FASTENER LENGTH | 0.740 INCHES NOMINAL |
| AAJD | THREAD CLASS | 2A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,COND T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AASL | HEAD DIAMETER | 0.245 INCHES NOMINAL |
| AASA | THREAD LENGTH | 0.450 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |