The Seal,plain, cataloged under National Stock Number 5330-00-465-6489, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. 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. 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 | 5330-00-465-6489 |
| Primary Part Number | 205-244 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Seal Width | 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Housing Bore Diameter | 4.500 INCHES MINIMUM AND 4.502 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Accommodated Shaft Diameter | 4.243 INCHES MINIMUM AND 4.257 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT |
| 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 |
NSN 5330-00-465-6489 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-465-6489 has 2 manufacturer part numbers on file: 205-244 (Bal Seal Engineering, Inc.), GS570AY1 (Northrop Grumman Systems Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-266-3297, 4730-01-596-0512. Verify interchangeability with system specifications before substitution.
Key specifications for 205-244: Seal Width: 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Housing Bore Diameter: 4.500 INCHES MINIMUM AND 4.502 INCHES MAXIMUM IN; Cross-Sectional Shape Style: C-SECTION W/ HELICAL SPRING; Accommodated Shaft Diameter: 4.243 INCHES MINIMUM AND 4.257 INCHES MAXIMUM 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.