NSN 2810-00-294-3543 · NIIN 002943543 · Part number 188539P20
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 00198
Government record, cited
NSN 2810-00-294-3543 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-294-3543. Manufacturer of record part number: 188539P20.
Also searched as2810-00-294-3543 ·
2810002943543 ·
NIIN 002943543 ·
00-294-3543 ·
FSC 2810 Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · CAGE 00198 · 188539P20
The Ring,piston, cataloged under National Stock Number 2810-00-294-3543, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2810-00-294-3543
Primary Part Number
188539P20
Item Name
Ring,piston
FSC / FSG
2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
Other items in FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2810-00-001-3863
2810-00-001-3863 · Item name not on file
2810-00-001-9036
SUPPORT,INDICATOR
2810-00-001-9113
2810-00-001-9113 · Item name not on file
2810-00-001-9116
2810-00-001-9116 · Item name not on file
2810-00-001-9117
2810-00-001-9117 · Item name not on file
2810-00-001-9592
2810-00-001-9592 · Item name not on file
2810-00-003-5864
2810-00-003-5864 · Item name not on file
2810-00-004-0436
POPPET,VALVE
Frequently Asked Questions
What is NSN 2810-00-294-3543?
NSN 2810-00-294-3543 is a Ring,piston, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
What part numbers are listed for NSN 2810-00-294-3543?
NSN 2810-00-294-3543 has 1 manufacturer part number on file: 188539P20 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
What are the specifications of 188539P20?
Key specifications for 188539P20: Overall Width: 0.1240 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN; Cross-Sectional Shape Style: BEVELED FACE, UPPER; Radial Wall Thickness: 0.1550 INCHES MINIMUM AND 0.1650 INCHES MAXIMUM IN; Ring Style: CONCENTRIC. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2810-00-294-3543 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.