The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-568-6683, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Walchem Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-568-6683 |
| Primary Part Number | EH0258 |
| Item Name | Seal,nonmetallic Special Shaped |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Walchem Corp |
| Status | ACTIVE |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| EH0258 PRIMARY | Walchem Corp (USA) |
| INST MAN EZ-SERIES IT.45 | Walchem Corp (USA) |
NSN 5330-01-568-6683 is a Seal,nonmetallic Special Shaped, manufactured by Walchem Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-568-6683 has 2 manufacturer part numbers on file: EH0258 (Walchem Corp), INST MAN EZ-SERIES IT.45 (Walchem Corp).
Key specifications for EH0258: Special Features: USED ON THE METERING PUMP, EZB20D1-VC OR EZB21D1-VC. FITS UNDERNEATH THE STROKE FREQUENCY KNOB EH0868.; Part Name Assigned by Controlling Agency: SEAL, STROKE FREQUENCY; End Item Identification: LCS 2 COMBAT SHIP; Construction: ONE-PIECE. 1 specification is 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.