| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-586-8661 (015868661) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1580V8T35Y | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT COUNTERSUNK |
| CMLP | Thread Quantity Per Inch | 20 |
| MATT | Material | TITANIUM ALLOY UNS R56400 OVERALL |
| ABQZ | Internal Drive Style | TORQUE-SET RIBBED |
| THSD | Thread Series Designator | UNJF |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| AGAV | End Item Identification | B-1B AIRCRAFT |
| AHYM | Nominal Thread Diameter | 0.500 INCHES |
| AASL | Head Diameter | 0.951 INCHES MINIMUM AND 1.014 INCHES MAXIMUM |
| ANEE | Grip Length | 2.187 INCHES NOMINAL |
| CRSQ | Countersink Angle | 100.0 DEGREES MINIMUM |
| AASA | Thread Length | 0.768 INCHES NOMINAL |
| AAUR | Grip Diameter | 0.530 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| AASB | Fastener Length | 2.955 INCHES NOMINAL |
| AAJD | Thread Class | 3A |
| Relevant Components for NSN - 5305-01-586-8661, 5305015868661 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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