| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-066-9511 (000669511) |
| NCB Code | USA (00) |
| Manufacturer | H C Merchandisers Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.485 INCHES MINIMUM AND 0.610 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.887 INCHES MINIMUM AND 0.938 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.620 INCHES MINIMUM FIRST SHOULDER AND 0.630 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.078 INCHES MINIMUM FIRST SHOULDER AND 0.084 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5305-00-066-9511, 5305000669511 | ||||
| 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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