| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-059-1948 (010591948) |
| NCB Code | USA (01) |
| Manufacturer | Sps Technologies Inc, Huck International Inc, National Aerospace Standards Com, Military Standards Corp, Acufast Aircraft Products Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21297-14056 | sps technologies inc | bolt close tolerance | RFQ |
| MS21297-14056 | huck international inc | bolt close tolerance | RFQ |
| MS21297-14056 | national aerospace standards com | bolt close tolerance | RFQ |
| MS21297-14056 | military standards corp | bolt close tolerance | RFQ |
| MS21297-14056 | acufast aircraft products inc | bolt close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.338 INCHES MINIMUM AND 1.388 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 4.848 INCHES MINIMUM AND 4.878 INCHES MAXIMUM |
| AASK | HEAD STYLE | SPLINE EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.116 INCHES MINIMUM AND 0.136 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.875 INCHES |
| ANEE | GRIP LENGTH | 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP H11 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-059-1948, 5306010591948 | ||||
| 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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