The Gasket, cataloged under National Stock Number 5330-00-571-8376, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ogs Industries, Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-571-8376 |
| Primary Part Number | 65-1818-4 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Ogs Industries, Inc |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.063 INCHES NOMINAL IN |
| Gage Ring Thickness | 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Style Designator | CIRCULAR |
| Bearing Surface Width | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-359 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.040 INCHES MINIMUM AND 5.055 INCHES MAXIMUM IN |
| Gage Ring Outside Diameter | 5.250 INCHES NOMINAL IN |
| Aperture Diameter | 4.800 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 3003 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 |
|---|---|
| 65-1818-4 | Ogs Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 65-1818-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-571-8376 is a Gasket, manufactured by Ogs Industries, Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-571-8376 has 1 manufacturer part number on file: 65-1818-4 (Ogs Industries, Inc).
Key specifications for 65-1818-4: Cross-Sectional Thickness: 0.063 INCHES NOMINAL IN; Gage Ring Thickness: 0.030 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN; Style Designator: CIRCULAR; Bearing Surface Width: 0.250 INCHES NOMINAL IN. 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.