The Retainer,seal, cataloged under National Stock Number 5330-01-423-0789, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-423-0789 |
| Primary Part Number | B-017-OYN-0-01-253 |
| Item Name | Retainer,seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.438 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390, C92200 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Aperture Diameter | 0.760 INCHES NOMINAL IN |
| Mounting Flange Length | 3.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY 922 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 |
|---|---|
| B-017-OYN-0-01-253 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| N-996-89YC-A-001 ITEM NO.38 | 5/9 Secondary reference Carver Pump Company |
NSN 5330-01-423-0789 is a Retainer,seal, manufactured by Carver Pump Company, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-423-0789 has 1 manufacturer part number on file: B-017-OYN-0-01-253 (Carver Pump Company).
Key specifications for B-017-OYN-0-01-253: Overall Height: 0.500 INCHES NOMINAL IN; Flange Thickness: 0.250 INCHES NOMINAL IN; Bolt Hole Diameter: 0.438 INCHES NOMINAL IN; Material Document and Classification: QQ-C-390, C92200 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.