| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-363-3214 (013633214) |
| NCB Code | USA (01) |
| Manufacturer | Air Specialties Inc, Space Age Engineering Inc, Military Standards Corp, Alpha Aerospace Hardware Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 53A-00-231-4 | air specialties inc | screw cap hexagon head | RFQ |
| 53A-00-231-4 | space age engineering inc | screw cap hexagon head | RFQ |
| MS35312-230 | military standards corp | screw cap hexagon head | RFQ |
| 53A-00-231-4 | alpha aerospace hardware inc | screw cap hexagon head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUM | LOCKING FEATURE | STRIP THREADS |
| AASK | HEAD STYLE | HEXAGON |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.906 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.250 INCHES MINIMUM AND 2.460 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 1.000 INCHES |
| AAJD | THREAD CLASS | 2A |
| AATB | WIDTH BETWEEN FLATS | 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQBC | MINIMUM TENSILE STRENGTH | 130000 POUNDS PER SQUARE INCH |
| CQHQ | MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURENICKEL ALLOY K-500 FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-01-363-3214, 5305013633214 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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