| 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 |
| Relevant Components for NSN - 5305-01-393-7510, 5305013937510 | ||||
| 5305-01-586-4216 (5305015864216) | 5315-01-329-3032 (5315013293032) | 5340-01-508-5897 (5340015085897) | 5306-01-476-8561 (5306014768561) | |
| 5330-00-171-7965 (5330001717965) | 5305-01-182-2172 (5305011822172) | 5330-00-395-1573 (5330003951573) | 5330-00-872-6408 (5330008726408) | |
| 5342-01-663-1331 (5342016631331) | 5310-00-631-6060 (5310006316060) | 5305-01-369-8238 (5305013698238) | 5306-01-664-2091 (5306016642091) | |
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