Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
Radial Wall Thickness: 0.0780 INCHES NOMINAL IN
Ring Style: CONCENTRIC
Standard Bore Diameter: 2.375 INCHES IN
Material: IRON OVERALL
Identification
NSN: 2825-00-271-9041
NIIN: 002719041
FSC: 2825 — Steam Turbines and Components
FSG: 28 — Engines, Turbines, and Components
General Description
The Ring,piston, cataloged under National Stock Number 2825-00-271-9041, is classified within Federal Supply Class 2825 (Steam Turbines and Components) of the Engines, Turbines, and Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2825-00-271-9041
Item Name
Ring,piston
FSC / FSG
2825 / 28 — Steam Turbines and Components
Status
ACTIVE
FSC Application Data
TURBINE STEAM
Cross-Sectional Shape Style
PLAIN RECTANGULAR, STRAIGHT FACE
Radial Wall Thickness
0.0780 INCHES NOMINAL IN
Ring Style
CONCENTRIC
Standard Bore Diameter
2.375 INCHES IN
Material
IRON OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-527-5682111-132POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
6130-00-986-1571111132POSSIBLE MATCH
POWER SUPPLY ASSEMBLY
Possible match (shared part number)Meggitt Safety Systems Inc
6515-01-283-019911-1132POSSIBLE MATCH
DRIVER-EXTRACTOR,FIXATION STAPLE
Possible match (shared part number)Smith and Nephew Inc
5915-01-415-2477POSSIBLE MATCH
FILTER,RADIO FREQUENCY INTERFERE
Possible match (shared part number)
9905-01-607-5898POSSIBLE MATCH
COVER,PLATE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
111132
5/9Secondary reference
Westinghouse Electric Corp
111132
3/2Design control — primary reference
U.S. Government activity
111132
5/9Secondary reference
U.S. Government activity
Related Parts
5310-00-527-5682POSSIBLE MATCH
WASHER,FLAT
111-132
6130-00-986-1571POSSIBLE MATCH
POWER SUPPLY ASSEMBLY
111132
6515-01-283-0199POSSIBLE MATCH
DRIVER-EXTRACTOR,FIXATION STAPLE
11-1132
5915-01-415-2477POSSIBLE MATCH
FILTER,RADIO FREQUENCY INTERFERE
9905-01-607-5898POSSIBLE MATCH
COVER,PLATE
Frequently Asked Questions
What is NSN 2825-00-271-9041?
NSN 2825-00-271-9041 is a Ring,piston, classified under FSC 2825, Steam Turbines and Components. Status: active.
What NSN replaces 2825-00-271-9041?
5 possible matches (shared part number, not a government interchangeability claim): 5310-00-527-5682, 6130-00-986-1571, 6515-01-283-0199. Verify interchangeability with system specifications before substitution.
What are the specifications of 2825-00-271-9041?
Key specifications for 2825-00-271-9041: FSC Application Data: TURBINE STEAM; Overall Width: 0.1850 INCHES MINIMUM AND 0.1860 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Radial Wall Thickness: 0.0780 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2825-00-271-9041 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.