| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-393-7510 (013937510) |
| NCB Code | USA (01) |
| Manufacturer | Huntington Ingalls Incorporated, National Instruments Corporation, Military Specifications, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 255356PC42 | huntington ingalls incorporated | screw cap socket head | 43689 | RFQ |
| 255356PC42Q3 | national instruments corporation | screw cap socket head | 03950 | RFQ |
| 810-4384538PC42Q3 | national instruments corporation | screw cap socket head | 03950 | RFQ |
| FF-S-86 | military specifications | screw cap socket head | 81349 | RFQ |
| FF-S-86 MOD-CONFORM TO MS18116 | federal specifications | screw cap socket head | 81348 | RFQ |
| FF-S-86 MOD-CONFORM TO MS18116Q3 | national instruments corporation | screw cap socket head | 03950 | RFQ |
| FF-S-86Q3 | national instruments corporation | screw cap socket head | 03950 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZW |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 5 TYPE |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | ITEMS THAT SUPPORT A LEVEL I OR SUBSAFE CRITICAL SYSTEM/COMPONENT THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS AND REQUIRES OBJECTIVE QUALITY EVIDENCE (OQE) TRACEABLE TO PERMANENT MARKING ON THE MATERIAL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5305-01-393-7510, 5305013937510 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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