| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-218-3163 (012183163) |
| NCB Code | USA (01) |
| Manufacturer | Lockheed Martin Corporation, Carr Lane Manufacturing Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN NO. 2 |
| AASL | HEAD DIAMETER | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5305-01-218-3163, 5305012183163 | ||||
| 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) | |
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