We appreciate your interest in our selection of parts that fall under the NSN 5305-01-416-5249. Below, top-requested part numbers like NAS1578A4R28, and others are presented alongside their manufacturer for your perusal. In order to receive pricing options on any featured NSN 5305-01-416-5249, simply click on the “RFQ” button next to it and complete the quote request form you are directed to. Be sure to include as many details as you can about your requirements and restrictions alike so our team can best formulate ideal fulfillment options for your consideration.
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| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-416-5249 (014165249) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1578A4R28 | national aerospace standards com | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| CMLP | Thread Quantity Per Inch | 28 |
| AASK | Head Style | PAN |
| AASA | Thread Length | 0.403 INCHES NOMINAL |
| SFTT | Surface Treatment | CADMIUM OVERALL AND CHROMATE OVERALL |
| AASL | Head Diameter | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| AAJF | Thread Direction | RIGHT-HAND |
| ANEE | Grip Length | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| STDC | Surface Treatment Document And Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | Thread Series Designator | UNJF |
| 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 |
| AASB | Fastener Length | 2.138 INCHES MINIMUM AND 2.168 INCHES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| ZZZK | Specification/Standard Data | 80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| AASU | Head Height | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| AAJD | Thread Class | 3A |
| AAUR | Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| Relevant Components for NSN - 5305-01-416-5249, 5305014165249 | ||||
| 5345-01-352-2995 (5345013522995) | 5331-00-584-2032 (5331005842032) | 5340-01-594-5430 (5340015945430) | 5340-01-498-2305 (5340014982305) | |
| 5340-01-507-7891 (5340015077891) | 5310-00-862-4465 (5310008624465) | 5365-01-669-7484 (5365016697484) | 5325-01-396-9615 (5325013969615) | |
| 5305-00-432-4238 (5305004324238) | 5315-01-072-7456 (5315010727456) | 5305-01-679-2094 (5305016792094) | 5315-00-877-5019 (5315008775019) | |
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