# NSN 4730-01-509-1161: Nut, Union

NSN 4730-01-509-1161 (also written 4730015091161; NIIN 01-509-1161) is a nut, union in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4730-01-509-1161 (4730015091161)
- NIIN: 01-509-1161 (015091161)
- Item name: NUT,UNION
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | SHIP |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.4375 |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.5625 |
| CRPK | MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED | POUNDS PER SQUARE INCH (PSI) OIL 6000.0 |
| FEAT | SPECIAL FEATURES | O'RING MATERIAL SETS TEMPERATURE RANGE; USED TO ATTACH TAILPIECE TO A THREAD PIECE |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 400 |
| CFQC | SHOULDER SEAT DIAMETER | INCHES NOMINAL 0.5625 |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| BSPX | SMALLEST INSIDE DIAMETER | INCHES NOMINAL 0.250 |
| BZRR | THREAD SERIES | UN |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 1.0625 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL -20.0 AND FAHRENHEIT NOMINAL 275.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 950N-04-M | 99565 | ADMIRAL VALVE LLC DBA CPV MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 950N-4-M | 99565 | ADMIRAL VALVE LLC DBA CPV MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 950N-4-MONEL | 99565 | ADMIRAL VALVE LLC DBA CPV MANUFACTURING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-13 | $164.68 | 5 | PCX INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015091161) |
| 2026-09-04 | $164.68 | 10 | PCX INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015091161) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE7M027V0165](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015091161) | NUT, UNION | — | $823.40 |
| 2026-09-04 | [SPE7M026V5520](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015091161) | NUT, UNION | — | $1,646.80 |
| 2026-08-17 | [SPE7M026V2450](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015091161) | NUT, UNION | PCX INC | $798.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4730015091161&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730015091161
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4730-01-509-1161/
JSON: https://nsnexplorer.com/api/nsn/4730-01-509-1161.json