The Seal,plain Encased, cataloged under National Stock Number 5330-01-346-3804, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Boss Seals, Llc Div Clark Seals Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Boss Seals, Llc Div Clark Seals Ltd (CAGE 4GJA3) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-346-3804 |
| Primary Part Number | B47690 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Boss Seals, Llc Div Clark Seals Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| B47690 | Boss Seals, Llc Div Clark Seals Ltd (USA) |
| Reference | Meaning |
|---|---|
| 47690 | 3/2 Design control — primary reference U.S. Government activity |
| 531972-44 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-346-3804 is a Seal,plain Encased, manufactured by Boss Seals, Llc Div Clark Seals Ltd, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-346-3804 has 1 manufacturer part number on file: B47690 (Boss Seals, Llc Div Clark Seals Ltd).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-460-6098. Verify interchangeability with system specifications before substitution.
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.