PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25285Ring Set,piston

Wacker Corp · NSN 2805-01-032-6603 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-01-032-6603 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-032-6603. Primary manufacturer part number: 25285.
Features
  • Ring Set,piston — FSC 2805
  • Piston Accommodation Quantity: 1
  • Ring Set Component Parts: COMPRESSION RING 1
  • Standard Bore Diameter: 2.063 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Wacker Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-01-032-6603, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Wacker Corp. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-01-032-6603
Primary Part Number25285
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWacker Corp
StatusACTIVE
Piston Accommodation Quantity1
Ring Set Component PartsCOMPRESSION RING 1
Standard Bore Diameter2.063 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5998-00-275-0535 INTERCHANGEABLE
Circuit Card Assembly
5930-00-557-61729279-03 INTERCHANGEABLE
Switch,push
Cole Hersee Company
6210-01-107-28672528-5 INTERCHANGEABLE
Light,indicator
Safran Electronics & Defense, Avionics Usa, Llc
4820-01-257-4949 INTERCHANGEABLE
Slide,directional Control Linear
5975-01-382-063425825-2 INTERCHANGEABLE
Conduit,metal,rigid
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
25285 PRIMARY Wacker Corp (USA)
25825 Wacker Corp (USA)
Related Parts
5998-00-275-0535INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-00-557-6172INTERCHANGEABLE
SWITCH,PUSH
9279-03
6210-01-107-2867INTERCHANGEABLE
LIGHT,INDICATOR
2528-5
4820-01-257-4949INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
5975-01-382-0634INTERCHANGEABLE
CONDUIT,METAL,RIGID
25825-2

Frequently Asked Questions

What is NSN 2805-01-032-6603?

NSN 2805-01-032-6603 is a Ring Set,piston, manufactured by Wacker Corp, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-01-032-6603?

NSN 2805-01-032-6603 has 2 cross-referenced part numbers: 25285 (Wacker Corp), 25825 (Wacker Corp).

What NSN replaces 2805-01-032-6603?

There are 5 known substitutes for 2805-01-032-6603: 5998-00-275-0535, 5930-00-557-6172, 6210-01-107-2867 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25285?

Key specifications for 25285: Piston Accommodation Quantity: 1; Ring Set Component Parts: COMPRESSION RING 1; Standard Bore Diameter: 2.063 INCHES IN. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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