| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-620-4137 (016204137) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| NAS1156-27 | national aerospace standards com | screw close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | Thread Class | 3A |
| AASK | Head Style | FLAT COUNTERSUNK |
| CMLP | Thread Quantity Per Inch | 24 |
| MATT | Material | STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| CXCY | Part Name Assigned By Controlling Agency | SCREW CLOSE TOLERANCE |
| SFTT | Surface Treatment | CADMIUM OVERALL |
| ABQZ | Internal Drive Style | D8 OFFSET CRUCIFORM (TORQUE SET) |
| AASA | Thread Length | 0.391 INCHES NOMINAL |
| AGAV | End Item Identification | POWERPLANT/EN |
| MRC | Decoded Requirement | Clear Text Reply |
| AASL | Head Diameter | 0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM |
| THSD | Thread Series Designator | UNJF |
| ANEE | Grip Length | 1.688 INCHES NOMINAL |
| AHYM | Nominal Thread Diameter | 0.375 INCHES |
| AAJF | Thread Direction | RIGHT-HAND |
| AASB | Fastener Length | 2.079 INCHES NOMINAL |
| AAUR | Grip Diameter | 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Components Related to NSN - 5305-01-620-4137, 5305016204137 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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