# NSN 4730-01-181-0870: Adapter, Straight, Tube To Boss

NSN 4730-01-181-0870 (also written 4730011810870; NIIN 01-181-0870) is an adapter, straight, tube to boss in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4730-01-181-0870 (4730011810870)
- NIIN: 01-181-0870 (011810870)
- Item name: ADAPTER,STRAIGHT,TUBE TO BOSS
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT, B-1B |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| AWLS | CONNECTION TYPE | FIRST END BULKHEAD THREADED EXTERNAL TUBE |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL BOSS |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.562 |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.312 |
| CQJX | NOMINAL THREAD SIZE | CENTER BULKHEAD INCHES 0.562 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 4000.0 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 37.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.375 |
| CWFR | NOMINAL OVERALL LENGTH | INCHES 0.978 |
| MATT | MATERIAL | OVERALL TITANIUM |
| THSD | THREAD SERIES DESIGNATOR | CENTER BULKHEAD UNJS |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNJS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5902227-1 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RF5404-06 | 66776 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN / EAGLE PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RF5404-06 | 83324 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV ROSAN PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M4-27-T-1982 | 30 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011810870&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730011810870&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011810870
- 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/4730-01-181-0870/
JSON: https://nsnexplorer.com/api/nsn/4730-01-181-0870.json