| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-536-2901 (015362901) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1578-4-18 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| MRC | Decoded Requirement | Clear Text Reply |
| AGAV | End Item Identification | F/A 22 RAPTOR |
| AASK | Head Style | PAN NO. 2 |
| AASA | Thread Length | 0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| AASL | Head Diameter | 0.477 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| AASB | Fastener Length | 1.528 INCHES NOMINAL |
| THSD | Thread Series Designator | UNJF |
| CQBC | Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH |
| AAJD | Thread Class | 3A |
| CMLP | Thread Quantity Per Inch | 28 |
| AASU | Head Height | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| ANEE | Grip Length | 1.125 INCHES NOMINAL |
| AAUR | Grip Diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| STDC | Surface Treatment Document And Classification | QQ-P-416 TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-536-2901, 5305015362901 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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