The Retainer,seal, cataloged under National Stock Number 5330-01-490-6609, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-490-6609 |
| Primary Part Number | 566-6985426-26 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-286 FORM-2,ANL,AH,CD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Flange Diameter | 4.000 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Construction | SOLID |
| 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 |
|---|---|
| 566-6985426-26 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H621-0102-26 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-490-6609 is a Retainer,seal, manufactured by Naval Sea Systems Command, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-490-6609 has 1 manufacturer part number on file: 566-6985426-26 (Naval Sea Systems Command).
Key specifications for 566-6985426-26: Material Document and Classification: QQ-N-286 FORM-2,ANL,AH,CD MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: NSSN CLASS SUB;STEERING GEAR HYDRAULIC CYLINDER ASSY; Mounting Flange Diameter: 4.000 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL. 4 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.