| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-425-8826 (014258826) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1581F4T25 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MDCL | Material Document And Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6047 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AASK | Head Style | FLAT COUNTERSUNK |
| MRC | Decoded Requirement | Clear Text Reply |
| ANEE | Grip Length | 1.965 INCHES NOMINAL |
| SFTT | Surface Treatment | CADMIUM OVERALL OR PASSIVATE OVERALL |
| AASL | Head Diameter | 0.3504 INCHES MINIMUM AND 0.3988 INCHES MAXIMUM |
| CQBC | Minimum Tensile Strength | 3200 POUNDS PER SQUARE INCH |
| AASA | Thread Length | 0.403 INCHES NOMINAL |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| ZZZK | Specification/Standard Data | 80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AAJF | Thread Direction | RIGHT-HAND |
| STDC | Surface Treatment Document And Classification | QQ-P-416, TY 2, CL 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AASB | Fastener Length | 1.950 INCHES MINIMUM AND 1.980 INCHES MAXIMUM |
| THSD | Thread Series Designator | UNJF |
| AAUR | Grip Diameter | 0.248 INCHES NOMINAL |
| CMLP | Thread Quantity Per Inch | 28 |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | Material | STEEL COMP 4130 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| AAJD | Thread Class | 3A |
| Components Related to NSN - 5305-01-425-8826, 5305014258826 | ||||
| 5305-01-222-7769 (5305012227769) | 5365-01-044-5936 (5365010445936) | 5331-01-276-7349 (5331012767349) | 5340-00-536-5281 (5340005365281) | |
| 5365-00-550-5464 (5365005505464) | 5305-01-209-8688 (5305012098688) | 5340-01-624-2067 (5340016242067) | 5340-01-214-3681 (5340012143681) | |
| 5330-01-166-9520 (5330011669520) | 5306-00-528-5534 (5306005285534) | 5307-00-307-2340 (5307003072340) | 5340-01-382-3018 (5340013823018) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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