AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-658-7951 (016587951) |
| NCB Code | USA (01) |
| Manufacturer | American Society Of Mechanical, American National Standards |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| B1821BH025F350L | american society of mechanical | screw cap hexagon head | RFQ |
| AES10F250C50AW9A96 | american society of mechanical | screw cap hexagon head | RFQ |
| B18.24-2004 | american society of mechanical | screw cap hexagon head | RFQ |
| B1821BH025F350L | american national standards | screw cap hexagon head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.750 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 3.500 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | 13055121 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW CAP HEX (FINISHED HEX BOLT) |
| FEAT | SPECIAL FEATURES | PLAIN END - OPTIONAL-TYPE SELF-LOCKING |
| MATT | MATERIAL | STEEL UNS K04100 OVERALL |
| SFTT | SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-01-658-7951, 5305016587951 | ||||
| 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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