The Gasket, cataloged under National Stock Number 5330-01-463-4126, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Burke Industries Purosil Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-463-4126 |
| Primary Part Number | 584R178H04 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Burke Industries Purosil Div |
| Status | ACTIVE |
| Material Document and Classification | ZZ-R-765, CL 2B, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-250/11 FED SPEC 2ND MATERIAL RESPONSE BOTH SIDES |
| Aperture Width | 5.000 INCHES NOMINAL IN |
| Aperture Length | 21.250 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q AND ALUMINUM ALLOY 6061 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 |
|---|---|
| 584R178H04 PRIMARY | Burke Industries Purosil Div (USA) |
| Reference | Meaning |
|---|---|
| 584R178H04 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-463-4126 is a Gasket, manufactured by Burke Industries Purosil Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-463-4126 has 1 manufacturer part number on file: 584R178H04 (Burke Industries Purosil Div).
Key specifications for 584R178H04: Material Document and Classification: ZZ-R-765, CL 2B, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE AND QQ-A-250/11 FED SPEC 2ND MATERIAL RESPONSE BOTH SIDES; Overall Length: 23.250 INCHES NOMINAL IN; Overall Width: 7.000 INCHES NOMINAL IN; Aperture Width: 5.000 INCHES NOMINAL IN. 4 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.