| Item Name | Thumbscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-424-5256 (014245256) |
| NCB Code | USA (01) |
| Manufacturer | Carr Lane Manufacturing Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | STEEL COMP 12L14 OVERALL |
| AAUY | Point Length | 0.394 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| AASK | Head Style | KNURLED NO. 4 |
| HUES | Color | YELLOW OVERALL |
| SFTT | Surface Treatment | ZINC OVERALL AND CHROMATE OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| ABQJ | Point Style | BALL |
| THSD | Thread Series Designator | UNC |
| AAJD | Thread Class | 2A |
| AHYM | Nominal Thread Diameter | 0.500 INCHES |
| CMLP | Thread Quantity Per Inch | 13 |
| AASL | Head Diameter | 1.250 INCHES NOMINAL |
| AASB | Fastener Length | 3.018 INCHES NOMINAL |
| AASA | Thread Length | 2.344 INCHES NOMINAL |
| AASU | Head Height | 0.500 INCHES NOMINAL |
| Components Related to NSN - 5305-01-424-5256, 5305014245256 | ||||
| 5340-01-631-5368 (5340016315368) | 5330-01-297-3590 (5330012973590) | 5360-00-245-2131 (5360002452131) | 5365-01-571-1663 (5365015711663) | |
| 5342-01-255-3551 (5342012553551) | 5330-01-556-4440 (5330015564440) | 5330-01-613-3472 (5330016133472) | 5342-01-259-3873 (5342012593873) | |
| 5340-00-575-1873 (5340005751873) | 5310-00-151-9032 (5310001519032) | 5315-01-622-0550 (5315016220550) | 5340-01-429-0419 (5340014290419) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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