NSN 2815-00-477-5657 · NIIN 004775657 · Part number 20109000
Cummins Inc. · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 15434
Government record, cited
NSN 2815-00-477-5657 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-477-5657. Manufacturer of record part number: 20109000.
Also searched as2815-00-477-5657 ·
2815004775657 ·
NIIN 004775657 ·
00-477-5657 ·
FSC 2815 Diesel Engines and Components · CAGE 15434 · 20109000 · 201090 · 169670
The Ring,piston, cataloged under National Stock Number 2815-00-477-5657, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Cummins Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
2815-00-477-5657
Primary Part Number
20109000
Item Name
Ring,piston
FSC / FSG
2815 / 28 — Diesel Engines and Components
Manufacturer
Cummins Inc.
Status
ACTIVE
Joint Style
VERTICAL JOINT
Radial Wall Thickness
0.1560 INCHES NOMINAL IN
Ring Style
CONCENTRIC
Material
STEEL 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-720-0231MS21916J12-8POSSIBLE MATCH
REDUCER,BOSS
Possible match (shared part number)Sae International Dba Sae International
1660-00-769-9125201090POSSIBLE MATCH
TURBINE,AIRCRAFT COOLING
Possible match (shared part number)Honeywell International Inc. Div Aerospace - Torrance
2915-00-829-7808201090POSSIBLE MATCH
SHIELD,INLET
Possible match (shared part number)Eaton Corp Dba Eaton Aerospace Jackson
5905-01-047-0782POSSIBLE MATCH
RESISTOR,FIXED,FILM
Possible match (shared part number)
4730-01-343-04672-01090W1206POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-343-04682-01090W1208POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-474-10502-01090F1212POSSIBLE MATCH
NIPPLE,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-01-477-53352-01090F1006POSSIBLE MATCH
REDUCER,TUBE
Possible match (shared part number)Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
NSN 2815-00-477-5657 is a Ring,piston, manufactured by Cummins Inc., classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-00-477-5657?
NSN 2815-00-477-5657 has 1 manufacturer part number on file: 20109000 (Cummins Inc.).
What NSN replaces 2815-00-477-5657?
8 possible matches (shared part number, not a government interchangeability claim): 4730-00-720-0231, 1660-00-769-9125, 2915-00-829-7808. Verify interchangeability with system specifications before substitution.
What are the specifications of 20109000?
Key specifications for 20109000: Overall Width: 0.1870 INCHES NOMINAL IN; Joint Style: VERTICAL JOINT; Radial Wall Thickness: 0.1560 INCHES NOMINAL IN; Ring Style: CONCENTRIC. 4 specifications are documented in the U.S. Government catalog.
Is NSN 2815-00-477-5657 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.