PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

590-1-0180Parts Kit,piston Assembly,engine

Ward Hydraulics Div a-T-O Inc · NSN 2805-00-054-2177 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-054-2177 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-054-2177. Primary manufacturer part number: 590-1-0180.
Features
  • Parts Kit,piston Assembly,engine — FSC 2805
  • Component Quantity: 7
  • Nonsupply Items and Quantities: PISTON RING3,PACKING PREFORMED 2,SEAL 1,PACKING SET 1
  • 3 verified cross-references
  • Primary manufacturer: Ward Hydraulics Div a-T-O Inc
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Parts Kit,piston Assembly,engine, cataloged under National Stock Number 2805-00-054-2177, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Ward Hydraulics Div a-T-O Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-054-2177
Primary Part Number590-1-0180
Item NameParts Kit,piston Assembly,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWard Hydraulics Div a-T-O Inc
StatusACTIVE
Component Quantity7
Nonsupply Items and QuantitiesPISTON RING3,PACKING PREFORMED 2,SEAL 1,PACKING SET 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4540-00-382-8182235H INTERCHANGEABLE
Heating Element,ele
Cam Fabricated Systems Inc
Cross-Reference Index
Part NumberManufacturer
590-1-0180 Ward Hydraulics Div a-T-O Inc (USA)
954A Koehring Co Lorain Div (USA)
954A Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
Related Parts
4540-00-382-8182INTERCHANGEABLE
HEATING ELEMENT,ELE
235H

Frequently Asked Questions

What is NSN 2805-00-054-2177?

NSN 2805-00-054-2177 is a Parts Kit,piston Assembly,engine, manufactured by Ward Hydraulics Div a-T-O Inc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-054-2177?

NSN 2805-00-054-2177 has 3 cross-referenced part numbers: 590-1-0180 (Ward Hydraulics Div a-T-O Inc), 954A (Koehring Co Lorain Div), 954A (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co).

What NSN replaces 2805-00-054-2177?

There is 1 known substitute for 2805-00-054-2177: 4540-00-382-8182. Verify interchangeability with system specifications before substitution.

What are the specifications of 590-1-0180?

Key specifications for 590-1-0180: Component Quantity: 7; Nonsupply Items and Quantities: PISTON RING3,PACKING PREFORMED 2,SEAL 1,PACKING SET 1. 2 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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