The Seal Ring,metal, cataloged under National Stock Number 5330-01-535-0375, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-535-0375 |
| Primary Part Number | 4443-523EU |
| Item Name | Seal Ring,metal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. |
| 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 |
|---|---|
| 4443-523EU PRIMARY | Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc. (USA) |
| 566-6405738-SDGC FIND B47 | Naval Sea Systems Command (USA) |
| 566-6405738-SDGC FIND A47 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211069800 | 5/1 Secondary reference Naval Sea Systems Command |
| C623-0502-SDGC-B47 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5330-01-535-0375 is a Seal Ring,metal, manufactured by Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-535-0375 has 3 manufacturer part numbers on file: 4443-523EU (Gallagher Fluid Seals Incorporated Div Gallagher Fluid Seals, Inc.), 566-6405738-SDGC FIND B47 (Naval Sea Systems Command), 566-6405738-SDGC FIND A47 (Naval Sea Systems Command).
Key specifications for 4443-523EU: Part Name Assigned by Controlling Agency: SEAL,RING; End Item Identification: CYLINDER HYD. 0 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.