# NSN 4730-00-471-8529: Reducer, Tube

NSN 4730-00-471-8529 (also written 4730004718529; NIIN 00-471-8529) is a reducer, tube in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-00-471-8529 (4730004718529)
- NIIN: 00-471-8529 (004718529)
- Item name: REDUCER,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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 1.750 |
| AAJD | THREAD CLASS | 3A |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 1.062 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 12.0 |
| CQRB | SEAT ANGLE | SECOND END DEGREES 12.0 |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| MATT | MATERIAL | OVERALL ALUMINUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225,T6 OR T62 OR T851 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 1500.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE CELSIUS 135.0 |
| SFTT | SURFACE TREATMENT | OUTSIDE ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | INSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY2,CL 1 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OUTSIDE MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625,TY2,CL 1 |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT (UNJ) |
| SFTT | SURFACE TREATMENT | INSIDE ANODIZE |
| AHNC | CONNECTION STYLE | — |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT (UNJ) |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 1.000 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | SECOND END INCHES 0.750 |
| ACSP | REDUCER TYPE | CONCENTRIC |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 1.312 |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL TUBE |
| CMLP | THREAD QUANTITY PER INCH | 12 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 205-076-293-001 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 205-076-293-1 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 205-076-393-1 | 24434 | SKYLINE INDUSTRIES, 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=4730004718529&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730004718529
- 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/4730-00-471-8529/
JSON: https://nsnexplorer.com/api/nsn/4730-00-471-8529.json