The Gasket, cataloged under National Stock Number 5330-01-240-2684, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-240-2684 |
| Primary Part Number | 0756A41A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR METAL |
| Outside Diameter | 1.750 INCHES NOMINAL IN |
| Aperture Diameter | 0.812 INCHES NOMINAL IN |
| Material | COPPER 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 |
|---|---|
| 0756A41A PRIMARY | Ashcroft Inc Dba Heise (USA) |
| R-7350 F-1 1/2-585 PIECE 27 | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| S-4824 H 3, 287,581 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-240-2684 is a Gasket, manufactured by Ashcroft Inc Dba Heise, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-240-2684 has 2 manufacturer part numbers on file: 0756A41A (Ashcroft Inc Dba Heise), R-7350 F-1 1/2-585 PIECE 27 (Ashcroft Inc Dba Heise).
Key specifications for 0756A41A: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR METAL. 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.