The Seal,plain Encased, cataloged under National Stock Number 5330-01-440-7743, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-440-7743 |
| Primary Part Number | C501284809 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF |
| Housing Bore Diameter | 1.749 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN |
| Accommodated Shaft Diameter | 1.125 INCHES NOMINAL IN |
| 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 |
|---|---|
| C501284809 PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| 5910137 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5330-01-440-7743 is a Seal,plain Encased, manufactured by Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-440-7743 has 1 manufacturer part number on file: C501284809 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
Key specifications for C501284809: Temp Rating: -40.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF; Housing Bore Diameter: 1.749 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN; Accommodated Shaft Diameter: 1.125 INCHES NOMINAL IN. 3 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.