The Gasket, cataloged under National Stock Number 5330-01-390-1971, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kaydon Custom Filtration Corporation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-390-1971 |
| Primary Part Number | 225-128-112 NON-ASBESTOS |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kaydon Custom Filtration Corporation |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Side Radius From Gasket Center | 3.422 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | SOLID SINGLE OR COMPOSITION |
| Aperture Diameter | 6.125 INCHES MINIMUM AND 6.188 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 6.969 INCHES MINIMUM AND 7.031 INCHES MAXIMUM IN |
| Environmental Attribute Code | ASBESTOS ALTERNATIVE PRODUCTS |
| Outside Corner Radius | 0.500 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| Hole Diameter | 0.438 INCHES NOMINAL 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 |
|---|---|
| 225-128-112 NON-ASBESTOS PRIMARY | Kaydon Custom Filtration Corporation (USA) |
NSN 5330-01-390-1971 is a Gasket, manufactured by Kaydon Custom Filtration Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-390-1971 has 1 manufacturer part number on file: 225-128-112 NON-ASBESTOS (Kaydon Custom Filtration Corporation).
Key specifications for 225-128-112 NON-ASBESTOS: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Side Radius From Gasket Center: 3.422 INCHES MINIMUM AND 3.453 INCHES MAXIMUM IN; Style Designator: NON-CIRCULAR; Material Document and Classification: MIL-R-2765 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.