The Seal,plain, cataloged under National Stock Number 5330-01-266-3278, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-266-3278 |
| Primary Part Number | AR140896 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions |
| Status | ACTIVE |
| Seal Width | 0.120 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Housing Bore Diameter | 1.021 INCHES MINIMUM AND 1.026 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material Document and Classification | FLUOROGOLD CAGEC 05939 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Cross-Sectional Shape Style | SINGLE LIP |
| Accommodated Shaft Diameter | 0.082 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN |
| Material | STEEL COMP 304 SPRING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND CERAMIC SEALING ELEMENT |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| AR140896 PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| SM-D-808532 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5330-01-266-3278 is a Seal,plain, manufactured by Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-266-3278 has 1 manufacturer part number on file: AR140896 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
Key specifications for AR140896: Seal Width: 0.120 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Housing Bore Diameter: 1.021 INCHES MINIMUM AND 1.026 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SPRING; Material Document and Classification: FLUOROGOLD CAGEC 05939 MFR REF SINGLE MATERIAL RESPONSE SEALING ELEMENT. 9 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.