The Gasket, cataloged under National Stock Number 5330-01-266-2547, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Graham Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-266-2547 |
| Primary Part Number | C-32818-12-7B |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Graham Corp |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.062 INCHES NOMINAL IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL OVERALL |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 47.625 INCHES NOMINAL IN |
| Aperture Diameter | 43.000 INCHES NOMINAL IN |
| Bolt Hole Quantity | 48 |
| Bolt Circle Diameter | 46.000 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-STYRENE CLASS SBR AND COTTON OVERALL |
| Hole Diameter | 0.875 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED 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 |
|---|---|
| C-32818-12-7B PRIMARY | Graham Corp (USA) |
| Reference | Meaning |
|---|---|
| C-32818-12-7B | 5/9 Secondary reference Graham Mfg Co Inc for Procurement Use CAGE Code 1lcx3 |
NSN 5330-01-266-2547 is a Gasket, manufactured by Graham Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-266-2547 has 1 manufacturer part number on file: C-32818-12-7B (Graham Corp).
Key specifications for C-32818-12-7B: Cross-Sectional Thickness: 0.062 INCHES NOMINAL IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL; Style Designator: CIRCULAR; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 10 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.