The Seal,plain, cataloged under National Stock Number 5330-01-273-4539, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corp Engineered Polymer Systems Div. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5330-01-273-4539 |
| Primary Part Number | 9394 LUP |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Parker Hannifin Corp Engineered Polymer Systems Div |
| Status | ACTIVE |
| Seal Width | 0.375 INCHES NOMINAL IN |
| Housing Bore Diameter | 2.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 1.375 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | RUBBER HEEL |
| Material | STEEL CORROSION RESISTING SPRING |
| 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 |
|---|---|
| 9394 LUP PRIMARY | Parker Hannifin Corp Engineered Polymer Systems Div (USA) |
| 9394 LUP | Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems (USA) |
| 2D3-990 ITEM 43 | Lake Shore Systems, Inc. (USA) |
| 2D3-990 PC 43 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9394 LUP | 3/9 Design control — primary reference Johns Manville Intl |
| 9393-LUP | 5/9 Secondary reference Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-273-4539 is a Seal,plain, manufactured by Parker Hannifin Corp Engineered Polymer Systems Div, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-273-4539 has 4 manufacturer part numbers on file: 9394 LUP (Parker Hannifin Corp Engineered Polymer Systems Div), 9394 LUP (Parker-Hannifin Corporation Dba Pneutronics Div Engineered Polymer Systems), 2D3-990 ITEM 43 (Lake Shore Systems, Inc.), 2D3-990 PC 43 (Lake Shore Systems, Inc.).
Key specifications for 9394 LUP: Seal Width: 0.375 INCHES NOMINAL IN; Housing Bore Diameter: 2.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Accommodated Shaft Diameter: 1.375 INCHES NOMINAL IN. 8 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.