The Seal,plain Encased, cataloged under National Stock Number 5330-01-207-9376, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Tulsa Winch, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-207-9376 |
| Primary Part Number | 520-10247-1 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Tulsa Winch, Inc. |
| Status | ACTIVE |
| Seal Width | 0.563 INCHES NOMINAL IN |
| Sealing Element Style | VERTICAL |
| Outside Diameter | 8.631 INCHES NOMINAL IN |
| Housing Bore Diameter | 8.625 INCHES NOMINAL IN |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 7.625 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Material | STEEL CASE |
| 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 |
|---|---|
| 520-10247-1 | Tulsa Winch, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 76215 | 3/9 Design control — primary reference U.S. Government activity |
| 520-10247-1 | 5/9 Secondary reference Gear Products, Inc Dba Gear Products, Inc |
NSN 5330-01-207-9376 is a Seal,plain Encased, manufactured by Tulsa Winch, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-207-9376 has 1 manufacturer part number on file: 520-10247-1 (Tulsa Winch, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-313-9980. Verify interchangeability with system specifications before substitution.
Key specifications for 520-10247-1: Seal Width: 0.563 INCHES NOMINAL IN; Sealing Element Style: VERTICAL; Outside Diameter: 8.631 INCHES NOMINAL IN; Housing Bore Diameter: 8.625 INCHES NOMINAL 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.