The Gasket, cataloged under National Stock Number 5330-01-577-4726, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-577-4726 |
| Primary Part Number | H278415-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Raytheon Company Div Corp |
| Status | ACTIVE |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | INSTRUMENT SPECIALITIES 8867-0125-96 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Aperture Width | 6.000 INCHES NOMINAL IN |
| Aperture Length | 9.501 INCHES NOMINAL IN |
| Bolt Hole Quantity | 38 |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM OVERALL |
| Hole Diameter | 0.312 INCHES MINIMUM AND 0.321 INCHES MAXIMUM 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 |
|---|---|
| H278415-1 PRIMARY | Raytheon Company Div Corp (USA) |
| Reference | Meaning |
|---|---|
| H278415 | 7/2 Vendor item drawing reference Raytheon Company Div Corp |
NSN 5330-01-577-4726 is a Gasket, manufactured by Raytheon Company Div Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-577-4726 has 1 manufacturer part number on file: H278415-1 (Raytheon Company Div Corp).
Key specifications for H278415-1: Style Designator: NON-CIRCULAR; Material Document and Classification: INSTRUMENT SPECIALITIES 8867-0125-96 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 11.070 INCHES MINIMUM AND 11.190 INCHES MAXIMUM IN; Overall Width: 7.590 INCHES MINIMUM AND 7.670 INCHES MAXIMUM IN. 7 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.