PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18762Ring,piston

Franklin Engine Co Inc · NSN 2810-00-048-6370 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-048-6370 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-048-6370. Primary manufacturer part number: 18762.
Features
  • Ring,piston — FSC 2810
  • Joint Style: VERTICAL JOINT
  • Standard Bore Diameter: 4.500 INCHES IN
  • Cross-Sectional Shape Style: STRAIGHT FACE, TOP RELIEF
  • FSC Application Data: PISTON AND PIN ASSY,ENGINE,ACFT,RECIPROCATING
  • Ring Style: CONCENTRIC
  • Radial Wall Thickness: 0.1730 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN
  • Material Document and Classification: M 202,70188 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2810-00-048-6370, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Franklin Engine Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2810-00-048-6370
Primary Part Number18762
Item NameRing,piston
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerFranklin Engine Co Inc
StatusACTIVE
Joint StyleVERTICAL JOINT
Standard Bore Diameter4.500 INCHES IN
Cross-Sectional Shape StyleSTRAIGHT FACE, TOP RELIEF
FSC Application DataPISTON AND PIN ASSY,ENGINE,ACFT,RECIPROCATING
Ring StyleCONCENTRIC
Radial Wall Thickness0.1730 INCHES MINIMUM AND 0.1830 INCHES MAXIMUM IN
Material Document and ClassificationM 202,70188 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialIRON OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-156-3444FS88501-1V1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5950-01-123-1478986279-1B INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
7610-01-284-5616 INTERCHANGEABLE
Book
Cross-Reference Index
Part NumberManufacturer
18762 Franklin Engine Co Inc (USA)
Related Parts
3110-00-156-3444INTERCHANGEABLE
BEARING,BALL,ANNULAR
FS88501-1V1
5950-01-123-1478INTERCHANGEABLE
REACTOR
986279-1B
7610-01-284-5616INTERCHANGEABLE
BOOK

Frequently Asked Questions

What is NSN 2810-00-048-6370?

NSN 2810-00-048-6370 is a Ring,piston, manufactured by Franklin Engine Co Inc, classified under FSC 2810 (No Item Name Available). Status: active.

What are the part numbers for NSN 2810-00-048-6370?

NSN 2810-00-048-6370 has 1 cross-referenced part number: 18762 (Franklin Engine Co Inc).

What NSN replaces 2810-00-048-6370?

There are 3 known substitutes for 2810-00-048-6370: 3110-00-156-3444, 5950-01-123-1478, 7610-01-284-5616. Verify interchangeability with system specifications before substitution.

What are the specifications of 18762?

Key specifications for 18762: Joint Style: VERTICAL JOINT; Standard Bore Diameter: 4.500 INCHES IN; Cross-Sectional Shape Style: STRAIGHT FACE, TOP RELIEF; Overall Width: 0.0930 INCHES MINIMUM AND 0.0940 INCHES MAXIMUM IN. 9 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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