The Seal Ring,metal, cataloged under National Stock Number 5330-00-479-8960, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Goriziane Group Spa. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-479-8960 |
| Primary Part Number | 2587066-1 |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Goriziane Group Spa |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-P-16232,TYPE M,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Criticality Code Justification | ACXJ |
| Material Document and Classification | AMS 7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Outside Diameter | 1.125 INCHES NOMINAL IN |
| Joint Style | INTERLOCKING JOINT |
| Radial Wall Thickness | 0.0420 INCHES MINIMUM AND 0.0520 INCHES MAXIMUM IN |
| Ring Style | EXPANDING CONCENTRIC |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | IRON OVERALL |
| Metallic Hardness Rating | 96.0 MINIMUM ROCKWELL B AND 106.0 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 2587066-1 | Goriziane Group Spa (ITA) |
| Reference | Meaning |
|---|---|
| 901555 | 3/9 Design control — primary reference Muskegon Piston Ring Co Muskegon Products Div |
| 2587066-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5330-00-479-8960 is a Seal Ring,metal, manufactured by Goriziane Group Spa, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-479-8960 has 1 manufacturer part number on file: 2587066-1 (Goriziane Group Spa).
Key specifications for 2587066-1: Surface Treatment Document and Classification: MIL-P-16232,TYPE M,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Criticality Code Justification: ACXJ; Overall Width: 0.0925 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN; Material Document and Classification: AMS 7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.