The Gasket, cataloged under National Stock Number 5330-01-328-1695, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Sealing Devices Inc. Dba Sealing Devices Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-328-1695 |
| Primary Part Number | 54-70-4537A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Sealing Devices Inc. Dba Sealing Devices Inc |
| Status | ACTIVE |
| Material Document and Classification | HH-P-151 CLASS 2 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 5.563 INCHES NOMINAL IN |
| Aperture Diameter | 2.375 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR OR COTTON 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 |
|---|---|
| 54-70-4537A | Sealing Devices Inc. Dba Sealing Devices Inc (USA) |
| Reference | Meaning |
|---|---|
| 502-4675951 ITEM 47 | 5/2 Secondary reference U.S. Government activity |
| 50-70-4537A | 5/9 Secondary reference U.S. Government activity |
| 54-70-4537A | 3/2 Design control — primary reference U.S. Government activity |
| 54-70-4537 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-328-1695 is a Gasket, manufactured by Sealing Devices Inc. Dba Sealing Devices Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-328-1695 has 1 manufacturer part number on file: 54-70-4537A (Sealing Devices Inc. Dba Sealing Devices Inc).
Key specifications for 54-70-4537A: Material Document and Classification: HH-P-151 CLASS 2 MIL SPEC ALL MATERIAL RESPONSES OVERALL; Outside Diameter: 5.563 INCHES NOMINAL IN; Aperture Diameter: 2.375 INCHES NOMINAL IN; Material: RUBBER CHLOROPRENE CLASS CR OR COTTON OVERALL. 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.