The Seal,plain Encased, cataloged under National Stock Number 5330-01-335-7100, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-335-7100 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Status | ACTIVE |
| Seal Width | 0.625 INCHES NOMINAL IN |
| Housing Bore Diameter | 4.500 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.500 INCHES NOMINAL IN |
| Material | STEEL SPRING |
| Material | STEEL CORROSION RESISTING SEALING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17201 ITEM 95 | 5/9 Secondary reference Northern Line Machine Div of Commencement Intl Corp |
| 00150 ST10 | 3/1 Design control — primary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| JM4941-LUP | 5/9 Secondary reference Johns Manville Intl |
NSN 5330-01-335-7100 is a Seal,plain Encased, classified under FSC 5330, Packing and Gasket Materials. Status: active.
Key specifications for 5330-01-335-7100: Seal Width: 0.625 INCHES NOMINAL IN; Housing Bore Diameter: 4.500 INCHES NOMINAL IN; Case Style: SQUARE; Accommodated Shaft Diameter: 3.500 INCHES NOMINAL IN. 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.