The Gasket, cataloged under National Stock Number 5330-01-043-0054, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Commercial. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-043-0054 |
| Primary Part Number | 66-2646 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Material Document and Classification | MIL-R-6130 TY 2 GR A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 8.100 INCHES NOMINAL IN |
| Aperture Diameter | 6.460 INCHES NOMINAL IN |
| Bolt Hole Quantity | 3 |
| Bolt Circle Diameter | 7.360 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| Hole Diameter | 0.360 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 |
|---|---|
| 66-2646 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 66-2646 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-043-0054 is a Gasket, manufactured by The Boeing Company Div Commercial, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-043-0054 has 1 manufacturer part number on file: 66-2646 (The Boeing Company Div Commercial).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-669-4074. Verify interchangeability with system specifications before substitution.
Key specifications for 66-2646: Material Document and Classification: MIL-R-6130 TY 2 GR A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Outside Diameter: 8.100 INCHES NOMINAL IN; Aperture Diameter: 6.460 INCHES NOMINAL IN. 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.