The Gasket, cataloged under National Stock Number 5330-01-659-2203, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-659-2203 |
| Primary Part Number | Q312541-20 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Style Designator | CIRCULAR |
| Bearing Surface Width | 19.8 INCHES NOMINAL IN |
| Outside Diameter | 85.2 INCHES NOMINAL IN |
| Gage Ring Outside Diameter | 105.0 INCHES NOMINAL IN |
| Aperture Diameter | 81.8 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12600106 | Oshkosh Defense Llc (USA) |
| Q312541-20 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 528391 | 5/9 Secondary reference Cummins Bridgeway, Llc |
| Q312541-20 | 3/9 Design control — primary reference Cummins Bridgeway, Llc |
NSN 5330-01-659-2203 is a Gasket, manufactured by Oshkosh Defense Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-659-2203 has 2 manufacturer part numbers on file: 12600106 (Oshkosh Defense Llc), Q312541-20 (Oshkosh Defense Llc).
Key specifications for Q312541-20: Style Designator: CIRCULAR; Bearing Surface Width: 19.8 INCHES NOMINAL IN; Outside Diameter: 85.2 INCHES NOMINAL IN; Gage Ring Outside Diameter: 105.0 INCHES NOMINAL IN. 5 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.