The Seal,plain, cataloged under National Stock Number 5330-01-288-5335, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-01-288-5335 |
| Primary Part Number | AR144832 |
| 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 | 0.126 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN |
| Housing Bore Diameter | 21.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | C-SECTION W/ SPRING RING |
| Accommodated Shaft Diameter | 21.120 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE OVERALL |
| Material | STEEL COMP 304 SPRING |
| Construction | TWO-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 |
|---|---|
| 157C668H01 | Northrop Grumman Support Services Corp (USA) |
| AR144832 PRIMARY | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| 157C668H01 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-01-288-5335 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 5330-01-288-5335 has 2 manufacturer part numbers on file: 157C668H01 (Northrop Grumman Support Services Corp), AR144832 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
Key specifications for AR144832: Seal Width: 0.126 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN; Housing Bore Diameter: 21.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: C-SECTION W/ SPRING RING; Accommodated Shaft Diameter: 21.120 INCHES NOMINAL IN. 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.