| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-430-4739 (014304739) |
| NCB Code | USA (01) |
| Manufacturer | W M Berg Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT CHAMFER |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| ASDB | Width Across Flats | 0.156 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| AASB | Fastener Length | 0.688 INCHES NOMINAL |
| AATX | Shoulder Length | 0.2505 INCHES MINIMUM AND 0.2507 INCHES MAXIMUM FIRST SHOULDER |
| CWYB | Shoulder Shape | ROUND FIRST SHOULDER |
| AASA | Thread Length | 0.438 INCHES NOMINAL |
| AASL | Head Diameter | 0.500 INCHES NOMINAL |
| THSD | Thread Series Designator | UNC |
| CXCY | Part Name Assigned By Controlling Agency | NAVY SPECIAL PROJECT |
| ABQZ | Internal Drive Style | HEXAGON |
| AAJD | Thread Class | 2A |
| AATN | Shoulder Diameter | 0.3119 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER |
| CQFM | Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| CMLP | Thread Quantity Per Inch | 20 |
| AASU | Head Height | 0.219 INCHES NOMINAL |
| MATT | Material | STEEL COMP 416 OVERALL |
| MRC | Decoded Requirement | Clear Text Reply |
| Components Related to NSN - 5305-01-430-4739, 5305014304739 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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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