The Seal,plain, cataloged under National Stock Number 5330-01-290-4158, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Lexair Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Wellman Group (CAGE K7018); Lexair Inc (CAGE 56607) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-290-4158 |
| Primary Part Number | P49783-131 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Lexair Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| X5008/12/156/51 | Wellman Group (GBR) |
| P49783-131 PRIMARY | Lexair Inc (USA) |
| X5008/12/156 ITEM 51 | Wellman Group (GBR) |
| 156 ITEM 51 | Wellman Group (GBR) |
| 156/51 | Wellman Group (GBR) |
NSN 5330-01-290-4158 is a Seal,plain, manufactured by Lexair Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-290-4158 has 5 manufacturer part numbers on file: X5008/12/156/51 (Wellman Group), P49783-131 (Lexair Inc), X5008/12/156 ITEM 51 (Wellman Group), 156 ITEM 51 (Wellman Group), 156/51 (Wellman Group).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-518-4797. 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.