The Seal,plain Encased, cataloged under National Stock Number 5330-01-216-3950, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Walker Power Systems, Inc. Dba Tiernay Turbines. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | Walker Power Systems, Inc. Dba Tiernay Turbines (CAGE 51913); Lister Petter Ltd (CAGE K0160) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-216-3950 |
| Primary Part Number | 212807-1 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Walker Power Systems, Inc. Dba Tiernay Turbines |
| 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 |
|---|---|
| 212807-1 | Walker Power Systems, Inc. Dba Tiernay Turbines (USA) |
| 359423 | Lister Petter Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 359423 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 22818 | 3/2 Design control — primary reference U.S. Government activity |
| 75-543240 | 5/9 Secondary reference Vulcascot Ltd |
NSN 5330-01-216-3950 is a Seal,plain Encased, manufactured by Walker Power Systems, Inc. Dba Tiernay Turbines, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-216-3950 has 2 manufacturer part numbers on file: 212807-1 (Walker Power Systems, Inc. Dba Tiernay Turbines), 359423 (Lister Petter Ltd).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-239-4656, 5330-01-321-6583, 6685-01-324-9930. 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.