| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-592-9975 (015929975) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1581K6T18 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| NAS1581V6T18 | lockheed martin corporation | screw close tolerance | 81755 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| AASK | Head Style | FLAT COUNTERSUNK |
| ANEE | Grip Length | 1.125 INCHES NOMINAL |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| THSD | Thread Series Designator | UNJF |
| AASL | Head Diameter | 0.515 INCHES MINIMUM AND 0.566 INCHES MAXIMUM |
| MATT | Material | TITANIUM ALLOY UNS R56400 OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| AASA | Thread Length | 0.594 INCHES NOMINAL |
| AASB | Fastener Length | 1.719 INCHES NOMINAL |
| AAUR | Grip Diameter | 0.374 INCHES NOMINAL |
| CMLP | Thread Quantity Per Inch | 24 |
| MDCL | Material Document And Classification | AMS 4928 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AAJD | Thread Class | 3A |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| Components Related to NSN - 5305-01-592-9975, 5305015929975 | ||||
| 5315-01-076-2969 (5315010762969) | 5325-00-543-3429 (5325005433429) | 5340-00-196-3675 (5340001963675) | 5360-01-424-6607 (5360014246607) | |
| 5310-00-084-4232 (5310000844232) | 5365-01-532-4588 (5365015324588) | 5340-01-654-3113 (5340016543113) | 5305-01-143-8635 (5305011438635) | |
| 5340-01-332-8256 (5340013328256) | 5360-00-558-5147 (5360005585147) | 5306-01-234-3071 (5306012343071) | 5305-01-175-6588 (5305011756588) | |
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