PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50512Ring,piston

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 2810-00-294-3127 · FSC 2810 · No Item Name Available
Verified by PartsTable
NSN 2810-00-294-3127 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-294-3127. Primary manufacturer part number: 50512.
Features
  • Ring,piston — FSC 2810
  • Joint Style: DIAGONAL JOINT
  • Radial Wall Thickness: 0.1870 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: PLAIN KEYSTONE, STRAIGHT RADII FACE
  • Standard Bore Diameter: 5.500 INCHES IN
  • Material: IRON OVERALL
  • FSC Application Data: ACFT ENG R1820
  • Ring Style: CONCENTRIC
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2810-00-294-3127, is classified within Federal Supply Class 2810 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2810-00-294-3127
Primary Part Number50512
Item NameRing,piston
FSC / FSG2810 / 28 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Joint StyleDIAGONAL JOINT
Radial Wall Thickness0.1870 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN
Cross-Sectional Shape StylePLAIN KEYSTONE, STRAIGHT RADII FACE
Standard Bore Diameter5.500 INCHES IN
MaterialIRON OVERALL
FSC Application DataACFT ENG R1820
Ring StyleCONCENTRIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3020-00-351-7928 INTERCHANGEABLE
Gear,spur
4320-00-467-987067130 INTERCHANGEABLE
Ring,lantern
Itt Goulds Pumps, Inc.
5315-00-850-7010MS17984-325 INTERCHANGEABLE
Pin,quick Release
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4930-00-985-2604 INTERCHANGEABLE
Oiler,hand
4520-01-211-696050512 INTERCHANGEABLE
Heating Element,electrical,nonim
Wells Mfg Co
5995-01-253-66993036645G1 INTERCHANGEABLE
Cable Assembly,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5305-01-326-561650512 INTERCHANGEABLE
Screw,drive
The Oilgear Company Dba Jiffy Lube 213 Div Oilgear
5930-01-438-690450512 INTERCHANGEABLE
Guard,switch
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
Cross-Reference Index
Part NumberManufacturer
50512 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
50512 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3020-00-351-7928INTERCHANGEABLE
GEAR,SPUR
4320-00-467-9870INTERCHANGEABLE
RING,LANTERN
67130
5315-00-850-7010INTERCHANGEABLE
PIN,QUICK RELEASE
MS17984-325
4930-00-985-2604INTERCHANGEABLE
OILER,HAND
4520-01-211-6960INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
50512
5995-01-253-6699INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
3036645G1
5305-01-326-5616INTERCHANGEABLE
SCREW,DRIVE
50512
5930-01-438-6904INTERCHANGEABLE
GUARD,SWITCH
50512

Frequently Asked Questions

What is NSN 2810-00-294-3127?

NSN 2810-00-294-3127 is a Ring,piston, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2810-00-294-3127?

NSN 2810-00-294-3127 has 2 cross-referenced part numbers: 50512 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 50512 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 2810-00-294-3127?

There are 8 known substitutes for 2810-00-294-3127: 3020-00-351-7928, 4320-00-467-9870, 5315-00-850-7010 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50512?

Key specifications for 50512: Joint Style: DIAGONAL JOINT; Radial Wall Thickness: 0.1870 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN; Overall Width: 0.1000 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN KEYSTONE, STRAIGHT RADII FACE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2810-00-294-3127 still in active supply?

NSN 2810-00-294-3127 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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