The Gasket, cataloged under National Stock Number 5330-00-970-9424, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-970-9424 |
| Primary Part Number | 128EC11035-13 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Hardness Rating | 40.0 SHORE DUROMETER A MAXIMUM OVERALL |
| Style Designator | CIRCULAR WITH ONE PERIPHERAL FLAT |
| Material Document and Classification | MIL-S-6855,CL 2,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Outside Diameter | 3.500 INCHES NOMINAL IN |
| Aperture Diameter | 1.812 INCHES NOMINAL IN |
| Bolt Hole Quantity | 5 |
| Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL |
| 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 |
|---|---|
| 128EC11035-13 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128EC11035-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5330-00-970-9424 is a Gasket, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-970-9424 has 1 manufacturer part number on file: 128EC11035-13 (Northrop Grumman Systems Corporation).
Key specifications for 128EC11035-13: Hardness Rating: 40.0 SHORE DUROMETER A MAXIMUM OVERALL; Style Designator: CIRCULAR WITH ONE PERIPHERAL FLAT; Material Document and Classification: MIL-S-6855,CL 2,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION. 9 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.