| Alternative NSN: 5305-01-259-2453 |
| Item Name: Screw Close Tolerance |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5305 Screws |
| NIIN: 012592453 |
| NCB Code: USA (01) |
| Manufacturers: National Aerospace Standards |
Are you looking for NSN 5305-01-259-2453 - Screw Close Tolerance parts? We can help! Simply complete the RFQ form given below to get started. The National Stock Number (NSN) is a 13-digit serial number assigned by the US Defense Logistics Agency (DLA) to items that are procured, stocked, and issued through the federal supply system. Parts under NSN 5305-01-259-2453 is NAS1581A4R9, NAS1581F4R9 from manufacturer National Aerospace Standards. Use our optimized search engine to find your required part—then submit an instant RFQ for a quick, competitive quote. Here at Aviation Orbit, we make your purchasing process as simple and efficient as possible.
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| NAS1581A4R9 | National Aerospace Standards | screw close tolerance | Avl | RFQ |
| NAS1581F4R9 | National Aerospace Standards | screw close tolerance | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.718 INCHES MINIMUM AND 0.768 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.353 INCHES MINIMUM AND 1.383 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.350 INCHES MINIMUM AND 0.398 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| FEAT | SPECIAL FEATURES | INTERNAL DRIVE RIBBED |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| 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-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| 5365-99-979-1775 (5365999791775) |
5365-99-979-0876 (5365999790876) |
5365-99-975-4058 (5365999754058) |
5365-99-973-8433 (5365999738433) |
5365-99-973-1783 (5365999731783) |
5365-99-971-0122 (5365999710122) |
| 5365-99-969-6200 (5365999696200) |
5365-99-969-1935 (5365999691935) |
5365-99-968-3248 (5365999683248) |
5365-99-968-1680 (5365999681680) |
5365-99-968-1636 (5365999681636) |
5365-99-968-1615 (5365999681615) |
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