The Seal,plain, cataloged under National Stock Number 5330-01-129-0621, 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 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-129-0621 |
| Primary Part Number | AR10304-113AH |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions |
| Status | ACTIVE |
| Temp Rating | -420.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Seal Width | 0.104 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Housing Bore Diameter | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Accommodated Shaft Diameter | 0.501 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| 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 |
|---|---|
| AR10304-113AH PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
NSN 5330-01-129-0621 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 5330-01-129-0621 has 1 manufacturer part number on file: AR10304-113AH (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-245-0896. Verify interchangeability with system specifications before substitution.
Key specifications for AR10304-113AH: Temp Rating: -420.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Seal Width: 0.104 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Housing Bore Diameter: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING. 7 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.