The Seal,plain, cataloged under National Stock Number 5330-01-210-6261, 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 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-210-6261 |
| Primary Part Number | AR143129 |
| 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 | 0.290 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-5059 HALF HARD MIN MIL SPEC SINGLE MATERIAL RESPONSE SPRING |
| Material | STEEL COMP 301 SPRING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE 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 |
| Part Number | Manufacturer |
|---|---|
| AR143129 PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| 2777584-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5330-01-210-6261 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 5330-01-210-6261 has 1 manufacturer part number on file: AR143129 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
Key specifications for AR143129: Seal Width: 0.290 INCHES NOMINAL IN; Material Document and Classification: MIL-S-5059 HALF HARD MIN MIL SPEC SINGLE MATERIAL RESPONSE SPRING; Material: STEEL COMP 301 SPRING; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT. 4 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.