# NSN 4730-01-153-1521: Flange, Pipe

NSN 4730-01-153-1521 (also written 4730011531521; NIIN 01-153-1521) is a flange, pipe in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4730-01-153-1521 (4730011531521)
- NIIN: 01-153-1521 (011531521)
- Item name: FLANGE,PIPE
- 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 |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| ABGA | GROOVE DEPTH | INCHES NOMINAL 0.108 |
| ABGF | GROOVE WIDTH | INCHES NOMINAL 0.190 |
| ABKG | BOLT CIRCLE DIAMETER | INCHES NOMINAL 7.125 |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 8.625 |
| ABNM | THICKNESS | INCHES NOMINAL 1.415 |
| ACSU | NOMINAL PIPE SIZE FOR WHICH DESIGNED | INCHES 4.000 |
| AECS | BOLT HOLE QUANTITY | 10 |
| AHNX | BOLT HOLE DIAMETER | INCHES NOMINAL 0.685 |
| AJEG | NECK HEIGHT | INCHES NOMINAL 0.758 |
| AJEM | FLANGE SECTION STYLE | — |
| AJEY | GROOVE PITCH DIAMETER | INCHES NOMINAL 4.685 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UN |
| AKWE | FACE SEATING SURFACE CONDITION | MACHINED |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | INCHES 4.000 |
| MATT | MATERIAL | NICKEL ALLOY |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 299997-101 | 18444 | OIL STATES INDUSTRIES, INC. DIV SPECIAL PRODUCTS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 299997-101 | 27826 | EDWARDS AEROSPACE 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=4730011531521&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4730011531521
- 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/4730-01-153-1521/
JSON: https://nsnexplorer.com/api/nsn/4730-01-153-1521.json