The Seal,plain, cataloged under National Stock Number 5330-01-051-0097, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Jonal Laboratories Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-051-0097 |
| Primary Part Number | 4958933-503 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Jonal Laboratories Inc |
| Status | ACTIVE |
| Seal Width | 0.812 INCHES NOMINAL IN |
| Housing Bore Diameter | 1.875 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 1.125 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Construction | SOLID |
| 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 |
|---|---|
| 4958933-503 PRIMARY | Jonal Laboratories Inc (USA) |
| 4958933-503 | Burke Industries Purosil Div (USA) |
| Reference | Meaning |
|---|---|
| 4958933-503 | 5/2 Secondary reference U.S. Government activity |
NSN 5330-01-051-0097 is a Seal,plain, manufactured by Jonal Laboratories Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-051-0097 has 2 manufacturer part numbers on file: 4958933-503 (Jonal Laboratories Inc), 4958933-503 (Burke Industries Purosil Div).
Key specifications for 4958933-503: Seal Width: 0.812 INCHES NOMINAL IN; Housing Bore Diameter: 1.875 INCHES NOMINAL IN; Special Features: ACCORDIAN SHAPED CROSS-SECTIONAL STYLE.COMPRESSED WIDTH 0.562; Accommodated Shaft Diameter: 1.125 INCHES NOMINAL IN. 5 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.