The Seal,plain, cataloged under National Stock Number 5330-01-006-9031, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-006-9031 |
| Primary Part Number | 2005-235 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Temp Rating | 400.0 FAHRENHEIT DEGF |
| Seal Width | 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Housing Bore Diameter | 3.374 INCHES MINIMUM AND 3.378 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT |
| Cross-Sectional Shape Style | C-SECTION W/ HELICAL SPRING |
| Accommodated Shaft Diameter | 3.118 INCHES MINIMUM AND 3.132 INCHES MAXIMUM IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2005-235 | Bal Seal Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3021283-1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5330-01-006-9031 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-006-9031 has 1 manufacturer part number on file: 2005-235 (Bal Seal Engineering, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-504-1249. Verify interchangeability with system specifications before substitution.
Key specifications for 2005-235: Temp Rating: 400.0 FAHRENHEIT DEGF; Seal Width: 0.170 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Housing Bore Diameter: 3.374 INCHES MINIMUM AND 3.378 INCHES MAXIMUM IN; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE SEALING ELEMENT. 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.