The Seal Ring,metal, cataloged under National Stock Number 5330-00-121-8574, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-121-8574 |
| Primary Part Number | 57340 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| FSC Application Data | COMPRESSOR ROTOR,AXIAL,TURBINE ENGINE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 7.637 INCHES NOMINAL IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.1000 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Material | NICKEL ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9661M70P02 | General Electric Company (USA) |
| 57340 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 9661M70P03 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 5330PL0854377 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3-7135 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-00-121-8574 is a Seal Ring,metal, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-121-8574 has 3 manufacturer part numbers on file: 9661M70P02 (General Electric Company), 57340 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 9661M70P03 (General Electric Company).
6 possible matches (shared part number, not a government interchangeability claim): 5306-00-466-3749, 6695-00-683-9524, 4820-01-028-4769. Verify interchangeability with system specifications before substitution.
Key specifications for 57340: FSC Application Data: COMPRESSOR ROTOR,AXIAL,TURBINE ENGINE; Overall Width: 0.1540 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 7.637 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.