AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-640-7734 (016407734) |
| NCB Code | USA (01) |
| Manufacturer | Electric Boat Corporation, Bull Hn Information Systems Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| H643-70003-38 | electric boat corporation | screw cap socket head | RFQ |
| 342-7067322-38 | bull hn information systems inc | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| CXCY | Part Name Assigned By Controlling Agency | SCREW, CAP, SELF LOCKING, SOCKET HEAD |
| MRC | Decoded Requirement | Clear Text Reply |
| AGAV | End Item Identification | GAUGING ASSEMBLY |
| ASDB | Width Across Flats | 0.188 INCHES NOMINAL |
| AASB | Fastener Length | 0.500 INCHES NOMINAL |
| AASK | Head Style | PAN NO. 2 |
| AASL | Head Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | HEXAGON |
| AASA | Thread Length | 0.500 INCHES NOMINAL |
| THSD | Thread Series Designator | UNRC |
| AAJF | Thread Direction | RIGHT-HAND |
| AAUM | Locking Feature | PATCH OR PELLET OR STRIP THREADS |
| MATT | Material | NICKEL ALLOY K-500 OR NICKEL ALLOY 502 OVERALL |
| CMLP | Thread Quantity Per Inch | 20 |
| AAJD | Thread Class | 3A |
| AASU | Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| Relevant Components for NSN - 5305-01-640-7734, 5305016407734 | ||||
| 5355-00-582-7370 (5355005827370) | 5340-01-492-4288 (5340014924288) | 5340-00-523-3711 (5340005233711) | 5330-01-275-9444 (5330012759444) | |
| 5340-01-238-2053 (5340012382053) | 5365-01-693-2245 (5365016932245) | 5331-01-258-8240 (5331012588240) | 5365-01-672-1629 (5365016721629) | |
| 5365-01-432-4280 (5365014324280) | 5365-01-654-1906 (5365016541906) | 5340-01-451-0804 (5340014510804) | 5340-01-489-6012 (5340014896012) | |
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