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) | 00-021-5912 (000215912) |
| NCB Code | USA (00) |
| Manufacturer | Fwd Seagrave Holdings Lp, Sasco Inc, Federal Specifications, White Motor Corp, Bendix Corp, Diamond Reo Trucks Inc, Heil Environmental Industries, L3 Technologies Inc, Mack Trucks Inc, General Motors Corp, Briggs And Stratton Corp, Allis Chalmers Corp, Pressed Metals Of America Inc, Vickers Ltd, Saginaw Products Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3998 | fwd seagrave holdings lp | screw cap hexagon head | RFQ |
| 11X121 | sasco inc | screw cap hexagon head | RFQ |
| FFS85 | federal specifications | screw cap hexagon head | RFQ |
| S2X1 | white motor corp | screw cap hexagon head | RFQ |
| 25S54 | bendix corp | screw cap hexagon head | RFQ |
| DX599D | diamond reo trucks inc | screw cap hexagon head | RFQ |
| 92134 | heil environmental industries | screw cap hexagon head | RFQ |
| 202791 | l3 technologies inc | screw cap hexagon head | RFQ |
| 1AX16 | mack trucks inc | screw cap hexagon head | RFQ |
| 215912 | general motors corp | screw cap hexagon head | RFQ |
| 92134 | briggs and stratton corp | screw cap hexagon head | RFQ |
| 0912789-5 | allis chalmers corp | screw cap hexagon head | RFQ |
| 0912789 | allis chalmers corp | screw cap hexagon head | RFQ |
| 1X41 | pressed metals of america inc | screw cap hexagon head | RFQ |
| 912789 | allis chalmers corp | screw cap hexagon head | RFQ |
| M21428 | vickers ltd | screw cap hexagon head | RFQ |
| 13K10 | briggs and stratton corp | screw cap hexagon head | RFQ |
| 7435-98Z2 | saginaw products corporation | screw cap hexagon head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.750 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 74000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 23.0 ROCKWELL B MINIMUM OVERALL AND 80.0 ROCKWELL B MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 1 STYLE AND 2 GRADE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT |
| Relevant Components for NSN - 5305-00-021-5912, 5305000215912 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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