The Seal,plain Encased, cataloged under National Stock Number 5330-00-397-4452, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Proponent, Inc. Dba Proponent. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5330-00-397-4452 |
| Primary Part Number | 365862-6 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Proponent, Inc. Dba Proponent |
| Status | ACTIVE |
| Temp Rating | 550.0 FAHRENHEIT DEGF |
| Seal Width | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 0.752 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 4016 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 5052 CASE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE 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 |
|---|---|
| 365862-6 | Proponent, Inc. Dba Proponent (USA) |
| Reference | Meaning |
|---|---|
| 365862-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-397-4452 is a Seal,plain Encased, manufactured by Proponent, Inc. Dba Proponent, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-397-4452 has 1 manufacturer part number on file: 365862-6 (Proponent, Inc. Dba Proponent).
Key specifications for 365862-6: Temp Rating: 550.0 FAHRENHEIT DEGF; Seal Width: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 0.752 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN. 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.