The Gasket, cataloged under National Stock Number 5330-01-640-9823, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-640-9823 |
| Primary Part Number | 4026AS166-3 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Outside Diameter | 12.130 INCHES NOMINAL IN |
| Aperture Diameter | 7.320 INCHES NOMINAL IN |
| Material | RUBBER OVERALL |
| Material | ADHESIVE BACKING |
| 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 |
|---|---|
| 4026AS166-3 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 4026AS166 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5330-01-640-9823 is a Gasket, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-640-9823 has 1 manufacturer part number on file: 4026AS166-3 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 4026AS166-3: Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Style Designator: CIRCULAR; Outside Diameter: 12.130 INCHES NOMINAL IN; Aperture Diameter: 7.320 INCHES NOMINAL IN. 6 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.