# NSN 4730-01-578-1635: Coupling Assembly, Tube

NSN 4730-01-578-1635 (also written 4730015781635; NIIN 01-578-1635) is a coupling assembly, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-578-1635 (4730015781635)
- NIIN: 01-578-1635 (015781635)
- Item name: COUPLING ASSEMBLY,TUBE
- Federal Supply Class: [FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings](https://nsnexplorer.com/fsc/4730/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 125.00 |
| AGAV | END ITEM IDENTIFICATION | TRUCK, VAN NSN 2320-01-552-7781 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 7.620 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | COUPLING ASSEMBLY |
| FEAT | SPECIAL FEATURES | OPERATING ENVIRONMENT WILL BE -50F TO 125F AT A 1.5 MINIMUM SERVICE FACTOR |
| MATT | MATERIAL | OVERALL STEEL |
| SPCL | SPECIAL TEST FEATURES | CONTINUOUS TORQUE RATING OF 365" / LBS, PEAK TORQUE RATING OF 730" / LBS, STEEL AND COMPOSITE CONSTRUCTION |
| ZZZK | SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 05047-AS-E Y14.100-2000 AND PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 05047-AS-E Y14.5--1994 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1128455 | 75394 | EMERSON POWER TRANSMISSION CORPORATION DBA EMERSON DIV EMERSON POWER TRANSMISSION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12443838 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12443838 | 75394 | EMERSON POWER TRANSMISSION CORPORATION DBA EMERSON DIV EMERSON POWER TRANSMISSION DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| KF1128455 | 6TTZ6 | REGAL BELOIT AMERICA, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730015781635&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015781635
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4730-01-578-1635/
JSON: https://nsnexplorer.com/api/nsn/4730-01-578-1635.json