The Seal,plain Encased, cataloged under National Stock Number 5330-01-253-7135, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Vanseal Corp. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-253-7135 |
| Primary Part Number | JC018-056-6-3-03001 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Vanseal Corp |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF |
| Seal Width | 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Sealing Element Style | ANGULAR |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL CASE |
| Material | STEEL CORROSION RESISTING SPRING |
| 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 |
|---|---|
| JC018-056-6-3-030001 | John Crane, Inc (USA) |
| JC018-056-6-3-03001 PRIMARY | Vanseal Corp (USA) |
| Reference | Meaning |
|---|---|
| 330702P01 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 330702P01 | 5/9 Secondary reference Howden Fluid Systems |
| 330702P01 | 7/9 Vendor item drawing reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 330702P01 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
NSN 5330-01-253-7135 is a Seal,plain Encased, manufactured by Vanseal Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-253-7135 has 2 manufacturer part numbers on file: JC018-056-6-3-030001 (John Crane, Inc), JC018-056-6-3-03001 (Vanseal Corp).
Key specifications for JC018-056-6-3-03001: Temp Rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF; Seal Width: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT. 6 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.