The Gasket, cataloged under National Stock Number 5330-01-266-3856, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Timken Gears & Services Inc. Div Philadelphia Gear. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-266-3856 |
| Primary Part Number | 2057G10-1 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Timken Gears & Services Inc. Div Philadelphia Gear |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.031 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Outside Diameter | 5.000 INCHES NOMINAL IN |
| Aperture Diameter | 3.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Hole Diameter | 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| 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 |
|---|---|
| 2057610-1 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 2057G10-1 PRIMARY | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Reference | Meaning |
|---|---|
| 2057G10-001 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2057G10-1 | 5/9 Secondary reference General Electric Company |
| 2057610-1 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
NSN 5330-01-266-3856 is a Gasket, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-266-3856 has 2 manufacturer part numbers on file: 2057610-1 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 2057G10-1 (Timken Gears & Services Inc. Div Philadelphia Gear).
Key specifications for 2057G10-1: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Style Designator: CIRCULAR; Outside Diameter: 5.000 INCHES NOMINAL IN; Aperture Diameter: 3.500 INCHES NOMINAL 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.