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 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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