The Seal,plain Encased, cataloged under National Stock Number 5330-00-580-9405, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-580-9405 |
| Primary Part Number | 366550-2 |
| 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 | 550.0 FAHRENHEIT DEGF |
| Seal Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL-ANGULAR |
| Housing Bore Diameter | 1.999 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 7278 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT B |
| Case Style | RECESSED |
| Accommodated Shaft Diameter | 1.468 INCHES MINIMUM AND 1.470 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM SEALING ELEMENT B |
| 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 |
|---|---|
| 366550-2 | Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions (USA) |
| Reference | Meaning |
|---|---|
| 366550-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-580-9405 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 5330-00-580-9405 has 1 manufacturer part number on file: 366550-2 (Saint-Gobain Performance Plastics Corporation Div Omniseal Solutions).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-301-7275, 4720-01-562-3382. Verify interchangeability with system specifications before substitution.
Key specifications for 366550-2: Temp Rating: 550.0 FAHRENHEIT DEGF; Seal Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL-ANGULAR; Housing Bore Diameter: 1.999 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN. 8 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.