AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Fluid Passage |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 00-203-9752 (002039752) |
| NCB Code | USA (00) |
| Manufacturer | Military Standards Corp, Society Of Automotive Engineers Inc, Sae International, Designed Metal Connections Inc, Dana Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21940-4L | military standards corp | bolt fluid passage | RFQ |
| AS21940 | society of automotive engineers inc | bolt fluid passage | RFQ |
| MS21940W4L | society of automotive engineers inc | bolt fluid passage | RFQ |
| MS21940W4L | sae international | bolt fluid passage | RFQ |
| ER01244 | designed metal connections inc | bolt fluid passage | RFQ |
| ER01244 | dana corp | bolt fluid passage | RFQ |
| AS18280 | society of automotive engineers inc | bolt fluid passage | RFQ |
| AS21940 | sae international | bolt fluid passage | RFQ |
| AS18280 | sae international | bolt fluid passage | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| BBLD | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO BOLT END | 2.531 INCHES NOMINAL |
| BBLF | WRENCHING FEATURE HEIGHT | 0.344 INCHES NOMINAL |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | UNF |
| CQYM | FIRST END NOMINAL THREAD SIZE | 0.437 INCHES |
| CRCN | SECOND END SEAT ANGLE | 12.0 DEGREES NOMINAL |
| CRNB | SECOND END NOMINAL THREAD SIZE | 0.437 INCHES |
| CRPF | SECOND END THREAD SERIES DESIGNATOR | UNF |
| MATT | MATERIAL | ALUMINUM |
| SFTT | SURFACE TREATMENT | ANODIZE |
| AAQL | BODY STYLE | BODY WRENCHING |
| AAWX | CONCENTRIC HOLE DEPTH | 2.653 INCHES NOMINAL |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.187 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.328 INCHES NOMINAL |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | PLAIN |
| ACLK | FIRST END THREAD CLASS | 3A |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACLT | SECOND END STYLE DESIGNATOR | FLARELESS |
| ACMR | SECOND END THREAD CLASS | 3A |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | 0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM |
| ATKZ | FIRST END THREAD LENGTH | 0.325 INCHES NOMINAL |
| ATLF | SECOND END THREAD LENGTH | 0.453 INCHES NOMINAL |
| BBDF | WRENCHING FEATURE STYLE | HEXAGON |
| BBKL | FIRST DIAMETER FROM WRENCHING FEATURE | 0.499 INCHES NOMINAL |
| BBKM | SECOND DIAMETER FROM WRENCHING FEATURE | 0.433 INCHES NOMINAL |
| BBKN | THIRD DIAMETER FROM WRENCHING FEATURE | 0.499 INCHES NOMINAL |
| BBKP | FOURTH DIAMETER FROM WRENCHING FEATURE | 0.433 INCHES NOMINAL |
| BBKQ | FIFTH DIAMETER FROM WRENCHING FEATURE | 0.499 INCHES NOMINAL |
| BBKR | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER | 0.354 INCHES NOMINAL |
| BBKS | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF SECOND DIAMETER | 0.666 INCHES NOMINAL |
| BBKT | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF THIRD DIAMETER | 1.354 INCHES NOMINAL |
| BBKW | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FOURTH DIAMETER | 1.726 INCHES NOMINAL |
| BBKX | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIFTH DIAMETER | 2.094 INCHES NOMINAL |
| BBKY | FIRST RADIAL FLUID HOLE DIAMETER | 0.189 INCHES NOMINAL |
| BBKZ | SECOND RADIAL FLUID HOLE DIAMETER | 0.189 INCHES NOMINAL |
| BBLB | DISTANCE FROM FIRST RADIAL HOLE CENTER TO END OF BOLT | 1.991 INCHES NOMINAL |
| BBLC | DISTANCE FROM SECOND RADIAL HOLE CENTER TO END OF BOLT | 0.991 INCHES NOMINAL |
| Relevant Components for NSN - 4730-00-203-9752, 4730002039752 | ||||
| 4720-01-543-9256 (4720015439256) | 4710-00-020-8209 (4710000208209) | 4720-00-236-2575 (4720002362575) | 4730-01-600-6309 (4730016006309) | |
| 4720-01-428-9860 (4720014289860) | 4720-01-352-6034 (4720013526034) | 4730-00-554-8091 (4730005548091) | 4710-00-815-6041 (4710008156041) | |
| 4730-01-612-5310 (4730016125310) | 4730-01-199-6545 (4730011996545) | 4730-01-223-0532 (4730012230532) | 4710-00-276-3984 (4710002763984) | |
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