| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-818-2552 (008182552) |
| NCB Code | USA (00) |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| 457438 | alcoa global fasteners inc | bolt shoulder | Avl | RFQ |
| 457438 | united technologies corp | bolt shoulder | Avl | RFQ |
| 457438 | sps technologies ltd | bolt shoulder | Avl | RFQ |
| 457438 | textron fastening systems ltd | bolt shoulder | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.508 INCHES MINIMUM AND 0.523 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.713 INCHES MINIMUM AND 0.733 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.450 INCHES MINIMUM AND 0.470 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.4180 INCHES MINIMUM FIRST SHOULDER AND 0.4220 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.210 INCHES MINIMUM FIRST SHOULDER AND 0.225 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.062 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ASXK | HOLE QUANTITY | 8 |
| CMLP | THREAD QUANTITY PER INCH | 5/16-28 |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASK | HEAD STYLE | DOUBLE HEXAGON EXTENDED WASHER |
| AATD | EXTENDED WASHER THICKNESS | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| BQDM | HOLE TYPE | DRILLED |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON FLATS |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 5305-00-000-0094 (5305000000094) | 5305-00-001-1366 (5305000011366) | 5305-00-001-1367 (5305000011367) | 5305-00-001-1568 (5305000011568) |
| 5305-00-001-1569 (5305000011569) | 5305-00-001-1837 (5305000011837) | 5305-00-001-1918 (5305000011918) | 5305-00-001-1926 (5305000011926) |
| 5305-00-001-1948 (5305000011948) | 5305-00-001-1963 (5305000011963) | 5305-00-001-2011 (5305000012011) | 5305-00-001-2012 (5305000012012) |
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