The Gasket, cataloged under National Stock Number 5330-01-242-1820, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-242-1820 |
| Primary Part Number | 2418856-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.060 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | 2419056-1,CAGEC 49671 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 4.880 INCHES MINIMUM AND 5.120 INCHES MAXIMUM IN |
| Aperture Diameter | 2.610 INCHES MINIMUM AND 2.790 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.000 INCHES NOMINAL IN |
| Material | GLASS OVERALL |
| Hole Diameter | 0.437 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 |
|---|---|
| 2418856-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 2418856-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5330-01-242-1820 is a Gasket, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-242-1820 has 1 manufacturer part number on file: 2418856-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 2418856-1: Cross-Sectional Thickness: 0.060 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: 2419056-1,CAGEC 49671 MFR REF SINGLE MATERIAL RESPONSE OVERALL; 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.