PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81024Ring,piston

Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp · NSN 2805-00-391-6069 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-391-6069 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-391-6069. Primary manufacturer part number: 81024.
Features
  • Ring,piston — FSC 2805
  • Material: COPPER ALLOY OVERALL
  • Radial Wall Thickness: 0.1170 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN
  • Joint Style: VERTICAL JOINT
  • Standard Bore Diameter: 2.500 INCHES IN
  • FSC Application Data: CONSOLE,SHIPS CONTROL
  • Ring Style: CONCENTRIC
  • Cross-Sectional Shape Style: DOUBLE INSIDE COUNTERBORE, STRAIGHT FACE
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2805-00-391-6069, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-391-6069
Primary Part Number81024
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
StatusACTIVE
MaterialCOPPER ALLOY OVERALL
Radial Wall Thickness0.1170 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN
Joint StyleVERTICAL JOINT
Standard Bore Diameter2.500 INCHES IN
FSC Application DataCONSOLE,SHIPS CONTROL
Ring StyleCONCENTRIC
Cross-Sectional Shape StyleDOUBLE INSIDE COUNTERBORE, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6930-00-211-239081024 INTERCHANGEABLE
Chassis Assembly,re
Cae Usa Inc.
5930-00-504-6889 INTERCHANGEABLE
Switch,toggle
4920-00-512-749210-23-23 INTERCHANGEABLE
Valve,test Stand
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
6635-01-263-6736810.24 INTERCHANGEABLE
Testing Machine,vibration Fatigu
Mts Systems Corporation Dba Mts Systems Corp
7510-01-315-86568656 INTERCHANGEABLE
Tab,signal
Safina Office Products, Inc. Dba Safina Office Products Inc
5340-01-517-155981024 INTERCHANGEABLE
Wheel,caster
Aerol Llc
6515-01-714-124481024 INTERCHANGEABLE
Implant,mesh,surgical
Stryker Sales, Llc Div Stryker Instruments
Cross-Reference Index
Part NumberManufacturer
Y1095C1PC42 Bosch Rexroth Corporation Div Bosch Rexroth (USA)
81024 PRIMARY Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
Related Parts
6930-00-211-2390INTERCHANGEABLE
CHASSIS ASSEMBLY,RE
81024
5930-00-504-6889INTERCHANGEABLE
SWITCH,TOGGLE
4920-00-512-7492INTERCHANGEABLE
VALVE,TEST STAND
10-23-23
6635-01-263-6736INTERCHANGEABLE
TESTING MACHINE,VIBRATION FATIGU
810.24
7510-01-315-8656INTERCHANGEABLE
TAB,SIGNAL
8656
5340-01-517-1559INTERCHANGEABLE
WHEEL,CASTER
81024
6515-01-714-1244INTERCHANGEABLE
IMPLANT,MESH,SURGICAL
81024

Frequently Asked Questions

What is NSN 2805-00-391-6069?

NSN 2805-00-391-6069 is a Ring,piston, manufactured by Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-391-6069?

NSN 2805-00-391-6069 has 2 cross-referenced part numbers: Y1095C1PC42 (Bosch Rexroth Corporation Div Bosch Rexroth), 81024 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp).

What NSN replaces 2805-00-391-6069?

There are 7 known substitutes for 2805-00-391-6069: 6930-00-211-2390, 5930-00-504-6889, 4920-00-512-7492 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81024?

Key specifications for 81024: Special Features: TOP AND BOTTOM STEPS ON ID ARE CONCENTRIC AND 0.010 IN. DEEP IN; Material: COPPER ALLOY OVERALL; Radial Wall Thickness: 0.1170 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN; Joint Style: VERTICAL JOINT. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com