We appreciate your interest in part number 55H12, which is currently available for purchase here on Jet Force Aero. For your reference, this item is produced by National Aerospace Standards Com and is listed with the NSN 5306-00-639-2458, as well as the description “Bolt Close Tolerance.” If this matches your requirements, we encourage you to fill out the Request for Quote (RFQ) form featured on this page to receive tailored purchasing options on part number 55H12. All that we ask is that you submit as many details about your procurement needs as possible, such as your desired quantity, budget, and anticipated fulfillment timeframe, as this will enable our specialists to craft an ideal response for you.
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In addition to part number 55H12, be sure to explore our website further for related items produced by National Aerospace Standards Com under the CAGE Code 80205 as you wish. We also feature catalogs to help you find additional options that are categorized under FSC 5306 Bolts and the NSN 5306-00-639-2458. Regardless of which NSN parts you need from us, rest assured that we will always treat you to affordable solutions where you never have to sacrifice quality or prompt fulfillment. We are ready to assist you with all your sourcing needs, so kick off quotation at your convenience.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5306-00-639-2458 Item PartTypeName: BOLT,CLOSE TOLERANCE | 5306 | 006392458 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| AN175-12 | 5 | 8 | E |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.579 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.328 INCHES MINIMUM AND 1.375 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AAUB | HOLE DIAMETER | 0.070 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.3112 INCHES MINIMUM AND 0.3117 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ANEE | GRIP LENGTH | 0.796 INCHES MINIMUM AND 0.828 INCHES MAXIMUM |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.171 INCHES NOMINAL FIRST HOLE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4140 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR AMS 6300 A |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
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