PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73857Ring,piston,oil Res

Textron Lycoming Inc Williamsport Plant · NSN 2810-00-077-8736 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-077-8736 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-077-8736. Primary manufacturer part number: 73857.
Features
  • Ring,piston,oil Res — FSC 2810
  • 3 verified cross-references
  • Primary manufacturer: Textron Lycoming Inc Williamsport Plant
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston,oil Res, cataloged under National Stock Number 2810-00-077-8736, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,piston,oil Res
FSC / FSG2810 — No Item Name Available (FSG 28)
ManufacturersTextron Lycoming Inc Williamsport Plant (CAGE 80254); Satair A/s (CAGE R1120)
Technical Specifications
ParameterValue
NSN2810-00-077-8736
Primary Part Number73857
Item NameRing,piston,oil Res
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3030-00-294-98401070289 INTERCHANGEABLE
Belt,v
Chrysler Realty Company Llc Dba Daimler Chrysler
5840-00-733-247573857 INTERCHANGEABLE
Shaft,antenna Mount
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
LW12328 Textron Lycoming Inc Williamsport Plant (USA)
73857 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
73857 Satair A/s (DNK)
Related Parts
3030-00-294-9840INTERCHANGEABLE
BELT,V
1070289
5840-00-733-2475INTERCHANGEABLE
SHAFT,ANTENNA MOUNT
73857

Frequently Asked Questions

What is NSN 2810-00-077-8736?

NSN 2810-00-077-8736 is a Ring,piston,oil Res, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-077-8736?

NSN 2810-00-077-8736 has 3 cross-referenced part numbers: LW12328 (Textron Lycoming Inc Williamsport Plant), 73857 (Textron Lycoming Inc Williamsport Plant), 73857 (Satair A/s).

What NSN replaces 2810-00-077-8736?

There are 2 known substitutes for 2810-00-077-8736: 3030-00-294-9840, 5840-00-733-2475. Verify interchangeability with system specifications before substitution.

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