# NSN 5330-00-343-7437: Seal Ring, Metal

NSN 5330-00-343-7437 (also written 5330003437437; NIIN 00-343-7437) is a seal ring, metal in Federal Supply Class 5330, Packing and Gasket Materials. 8 manufacturer part numbers from 8 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5330-00-343-7437 (5330003437437)
- NIIN: 00-343-7437 (003437437)
- Item name: SEAL RING,METAL
- Federal Supply Class: [FSC 5330 Packing and Gasket Materials](https://nsnexplorer.com/fsc/5330/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 4.000 |
| ZZZV | FSC APPLICATION DATA | ENGINE,ACFT,TURBOFAN |
| ADTE | JOINT STYLE | — |
| AETC | METALLIC HARDNESS RATING | NOMINAL ROCKWELL C 32.0 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ACXD | RING STYLE | — |
| ACXF | RADIAL WALL THICKNESS | INCHES MINIMUM 0.0950 AND INCHES MAXIMUM 0.1050 |
| ACXJ | OVERALL WIDTH | INCHES MINIMUM 0.1540 AND INCHES MAXIMUM 0.1550 |
| SFTT | SURFACE TREATMENT | OUTSIDE PERIPHERY CHROMIUM |
| MATT | MATERIAL | OVERALL STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4020637 | 03120 | AMERICAN TUBULAR ELEVATOR CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4020637 | 09612 | NORTON CANADA INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4020637 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4020637 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4020637 | 71687 | SARGENT AEROSPACE & DEFENSE, LLC DBA AIRTOMIC DIV SARGENT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4020637 | 75370 | KAYDON RING & SEAL INC DBA SKF PRECISION TECHNOLOGIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4020637 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5330PL0658828 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7L3-27-T-0492 | 78 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5330003437437&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5330003437437&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5330003437437
- 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/5330-00-343-7437/
JSON: https://nsnexplorer.com/api/nsn/5330-00-343-7437.json