| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-352-1152 (013521152) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, Naval Ship Engineering Center |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | HEAD STYLE | FLAT CHAMFER |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.120 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MATT | MATERIAL | NICKEL ALLOY 400 OVERALL |
| AASA | THREAD LENGTH | 1.020 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5305-01-352-1152, 5305013521152 | ||||
| 5330-00-038-4345 (5330000384345) | 5305-01-191-2462 (5305011912462) | 5365-00-898-3506 (5365008983506) | 5315-01-424-1290 (5315014241290) | |
| 5330-01-696-0897 (5330016960897) | 5330-01-561-7601 (5330015617601) | 5342-00-408-9183 (5342004089183) | 5310-00-981-2299 (5310009812299) | |
| 5340-01-523-8925 (5340015238925) | 5342-01-649-3882 (5342016493882) | 5310-00-943-5411 (5310009435411) | 5340-01-569-9497 (5340015699497) | |
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