PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5702440Ring Set,piston

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 2805-00-589-2443 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-589-2443 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-589-2443. Primary manufacturer part number: 5702440.
Features
  • Ring Set,piston — FSC 2805
  • Piston Accommodation Quantity: 4
  • Standard Bore Diameter: 3.125 INCHES IN
  • FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT
  • Ring Set Component Parts: COMPRESSION RING,B2531A,77220,4; COMPRESSION RING,B1060C,77220,4; EXPANDER RING,031E12A,77220,4; OIL RING,4289A,77220,4 A
  • 3 verified cross-references
  • Primary manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring Set,piston, cataloged under National Stock Number 2805-00-589-2443, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-589-2443
Primary Part Number5702440
Item NameRing Set,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Piston Accommodation Quantity4
Standard Bore Diameter3.125 INCHES IN
FSC Application DataGASOLINE ENGINE,NONAIRCRAFT
Ring Set Component PartsCOMPRESSION RING,B2531A,77220,4; COMPRESSION RING,B1060C,77220,4; EXPANDER RING,031E12A,77220,4; OIL RING,4289A,77220,4 A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-019-5934684 INTERCHANGEABLE
Strap Retaining Con
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5910-00-161-6410 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5120-00-169-7684802841 INTERCHANGEABLE
Inserter,bearing and Bushing
Curtiss-Wright Controls, Inc. Div Actuation Division
5950-00-247-2375 INTERCHANGEABLE
Transformer,power
5975-00-314-6811684 INTERCHANGEABLE
Conduit,metal,rigid
Abb Installation Products Inc
5985-00-427-90112132055-1 INTERCHANGEABLE
Dummy Load,electrical
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
5120-00-473-69257082883 INTERCHANGEABLE
Adapter,mechanical Puller
U S Army Tank Automotive Command Amsta-Im-Mm
6240-00-570-9884640 INTERCHANGEABLE
Lamp,incandescent
Industrial Electronic Engineers, Inc.
5325-00-573-3239684 INTERCHANGEABLE
Ring,retaining
Curtiss-Wright Electro-Mechanical Corporation Div Epd
6675-00-641-5591684 INTERCHANGEABLE
Template,lettering
Abd Intl Inc Dba Abdick
Cross-Reference Index
Part NumberManufacturer
5702440 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
C8213 Dana Corp Engine Products Div (USA)
68-4 Dana Corp Engine Products Div (USA)
Related Parts
5935-00-019-5934INTERCHANGEABLE
STRAP RETAINING CON
684
5910-00-161-6410INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5120-00-169-7684INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
802841
5950-00-247-2375INTERCHANGEABLE
TRANSFORMER,POWER
5975-00-314-6811INTERCHANGEABLE
CONDUIT,METAL,RIGID
684
5985-00-427-9011INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
2132055-1
5120-00-473-6925INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
7082883
6240-00-570-9884INTERCHANGEABLE
LAMP,INCANDESCENT
640
5325-00-573-3239INTERCHANGEABLE
RING,RETAINING
684
6675-00-641-5591INTERCHANGEABLE
TEMPLATE,LETTERING
684
5950-00-645-4208INTERCHANGEABLE
COIL,RADIO FREQUENCY
684
5910-00-668-4842INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC

Frequently Asked Questions

What is NSN 2805-00-589-2443?

NSN 2805-00-589-2443 is a Ring Set,piston, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-589-2443?

NSN 2805-00-589-2443 has 3 cross-referenced part numbers: 5702440 (U S Army Tank Automotive Command Amsta-Im-Mm), C8213 (Dana Corp Engine Products Div), 68-4 (Dana Corp Engine Products Div).

What NSN replaces 2805-00-589-2443?

There are 12 known substitutes for 2805-00-589-2443: 5935-00-019-5934, 5910-00-161-6410, 5120-00-169-7684 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5702440?

Key specifications for 5702440: Piston Accommodation Quantity: 4; Standard Bore Diameter: 3.125 INCHES IN; FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; Ring Set Component Parts: COMPRESSION RING,B2531A,77220,4; COMPRESSION RING,B1060C,77220,4; EXPANDER RING,031E12A,77220,4; OIL RING,4289A,77220,4 A. 4 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