The Seal,special, cataloged under National Stock Number 5330-01-081-5349, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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,special |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-081-5349 |
| Item Name | Seal,special |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Reference | Meaning |
|---|---|
| CFSP17401TY21SZ 1.25IN. | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| CFSP-78634 | C/1 Advisory reference — outside the item-of-supply concept Defense Maritime Solutions, Inc. |
| CFSP17401 | 5/9 Secondary reference John Crane, Inc |
| CFSP-78634 | 3/9 Design control — primary reference Wartsila Lips Inc |
| CFSP17401-1.25I N-TY21-BP171 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-081-5349 is a Seal,special, classified under FSC 5330, Packing and Gasket Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4320-01-546-8750. 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.