The Seal Ring,metal, cataloged under National Stock Number 5330-00-900-2525, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-900-2525 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| FSC Application Data | CARRIER AND GEAR ASSEMBLY JET ENGINE,AIRCRAFT |
| Material Document and Classification | AMS 7310 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 10.771 INCHES NOMINAL IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.1000 INCHES NOMINAL IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | CHROMIUM OVERALL |
| Material | IRON OVERALL |
| Metallic Hardness Rating | 97.0 MINIMUM ROCKWELL B AND 104.0 MAXIMUM ROCKWELL B |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1-030-035-05 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-900-2525 is a Seal Ring,metal, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-00-900-2525: FSC Application Data: CARRIER AND GEAR ASSEMBLY JET ENGINE,AIRCRAFT; Overall Width: 0.1520 INCHES NOMINAL IN; Material Document and Classification: AMS 7310 ASSN STD 1ST MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 10 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.