The Retainer,seal, cataloged under National Stock Number 5330-01-506-9728, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-506-9728 |
| Primary Part Number | 2527529 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Outside Diameter | 8.525 INCHES NOMINAL IN |
| Style Designator | FLANGED |
| Aperture Diameter | 8.125 INCHES NOMINAL IN |
| Mounting Flange Diameter | 9.406 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| 2527529 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5330-01-506-9728 is a Retainer,seal, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-506-9728 has 1 manufacturer part number on file: 2527529 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-593-1477. Verify interchangeability with system specifications before substitution.
Key specifications for 2527529: Overall Height: 1.281 INCHES NOMINAL IN; Body Outside Diameter: 8.525 INCHES NOMINAL IN; Style Designator: FLANGED; Aperture Diameter: 8.125 INCHES NOMINAL IN. 6 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.