The Gasket, cataloged under National Stock Number 5330-01-570-7457, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is DC Fabricators Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-570-7457 |
| Primary Part Number | 320925 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.025 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | ASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | METAL AND METALLIC MATERIALS |
| Outside Diameter | 3.675 INCHES NOMINAL IN |
| Aperture Diameter | 3.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY 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 |
|---|---|
| EW-2500E PC 633 | DC Fabricators Inc (USA) |
| 320925 PRIMARY | DC Fabricators Inc (USA) |
NSN 5330-01-570-7457 is a Gasket, manufactured by DC Fabricators Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-570-7457 has 2 manufacturer part numbers on file: EW-2500E PC 633 (DC Fabricators Inc), 320925 (DC Fabricators Inc).
Key specifications for 320925: Cross-Sectional Thickness: 0.025 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: ASTM B152 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: METAL AND METALLIC MATERIALS. 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.