| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-428-5996 (014285996) |
| NCB Code | USA (01) |
| Manufacturer | Chardam Gear Company Inc, Zf Industrieantriebe Witten Gmbh, Military Standards Corp, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| KT-4574-3-28 | chardam gear company inc | screw cap socket head | 25773 | RFQ |
| MIL F 18240 31 2 18UNC 3AX1INL | zf industrieantriebe witten gmbh | screw cap socket head | d9182 | RFQ |
| MS24667-41L | military standards corp | screw cap socket head | 96906 | RFQ |
| MS24667-41L | national aerospace standards com | screw cap socket head | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.000 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.656 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | PATCH THREADS OR STRIP THREADS |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CRSQ | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-01-428-5996, 5305014285996 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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