AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-456-0556 (014560556) |
| NCB Code | USA (01) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Penn Screw And Machine Works, Military Specifications, Allmetal Screw Products Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FFS86TY1 .25-20 UNC-3AX.50L NIC | zf industrieantriebe witten gmbh | screw cap hexagon head | RFQ |
| 6817703 ITEM 3 | penn screw and machine works | screw cap hexagon head | RFQ |
| FFS86TY1 .25-20UNC3AX.50L-NICU | military specifications | screw cap hexagon head | RFQ |
| 6817703 ITEM 3 | allmetal screw products corp | screw cap hexagon head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATB | Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| CMLP | Thread Quantity Per Inch | 20 |
| AASK | Head Style | HEXAGON |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AASA | Thread Length | 0.400 INCHES MAXIMUM |
| MDCL | Material Document And Classification | QQ-N-281,TYA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| THSD | Thread Series Designator | UNC |
| MATT | Material | COPPER ALLOY OVERALL |
| AASU | Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| AAUM | Locking Feature | PATCH THREADS |
| AAJD | Thread Class | 3A |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| Relevant Components for NSN - 5305-01-456-0556, 5305014560556 | ||||
| 5331-01-657-5231 (5331016575231) | 5330-01-205-4045 (5330012054045) | 5315-01-471-7425 (5315014717425) | 5340-01-529-8563 (5340015298563) | |
| 5365-01-410-8416 (5365014108416) | 5310-00-021-9774 (5310000219774) | 5330-01-647-7489 (5330016477489) | 5310-01-197-3340 (5310011973340) | |
| 5365-00-958-7449 (5365009587449) | 5340-01-481-5050 (5340014815050) | 5310-00-619-4502 (5310006194502) | 5340-00-293-6497 (5340002936497) | |
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