NSN 2810-00-306-6725 · NIIN 003066725 · Part number 3559
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 2810-00-306-6725 — this item is cataloged by the U.S. Government under National Stock Number 2810-00-306-6725. Manufacturer of record part number: 3559.
Also searched as2810-00-306-6725 ·
2810003066725 ·
NIIN 003066725 ·
00-306-6725 ·
FSC 2810 Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components · CAGE 00198 · 3559
General Characteristics Item Description: MATL STEEL PER AMS 6272; 1.141 IN. LONG; 5.229 IN. MIN AND 5.301 IN. MAX OD; 5.093 IN. MIN AND 5.099 IN. MAX ID; 4 HOLES 0.1875 IN. DIA; HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; 1 NOTCH 0.125 IN. DEEP IN
1 manufacturer part number on file
Manufacturer of record: Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
Identification
NSN: 2810-00-306-6725
NIIN: 003066725
FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
The Liner,crankcase, cataloged under National Stock Number 2810-00-306-6725, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
2810-00-306-6725
Primary Part Number
3559
Item Name
Liner,crankcase
FSC / FSG
2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
MATL STEEL PER AMS 6272; 1.141 IN. LONG; 5.229 IN. MIN AND 5.301 IN. MAX OD; 5.093 IN. MIN AND 5.099 IN. MAX ID; 4 HOLES 0.1875 IN. DIA; HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; 1 NOTCH 0.125 IN. DEEP IN
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.
5950-00-337-94903559POSSIBLE MATCH
TRANSFORMER,POWER
Possible match (shared part number)Magnetek Inc Lighting Products Group
2825-00-388-69163559POSSIBLE MATCH
NOZZLE ASSEMBLY
Possible match (shared part number)Northrop Grumman Systems Corporation Div Marine Systems
2805-00-496-4470POSSIBLE MATCH
CYLINDER HEAD,GASOLINE ENGINE
Possible match (shared part number)
5950-00-762-6603N215672-3POSSIBLE MATCH
COIL,RADIO FREQUENCY
Possible match (shared part number)Raytheon Company Dba Raytheon Co
5325-00-929-186257A5A223-13POSSIBLE MATCH
GROMMET,NONMETALLIC
Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3040-01-033-26133559POSSIBLE MATCH
SHAFT,STRAIGHT
Possible match (shared part number)Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
5915-01-034-5564581R781H02POSSIBLE MATCH
FILTER,LOW PASS
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5950-01-203-686613160216POSSIBLE MATCH
REACTOR
Possible match (shared part number)Us Army Aviation and Missile Command
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Related Parts
5950-00-337-9490POSSIBLE MATCH
TRANSFORMER,POWER
3559
2825-00-388-6916POSSIBLE MATCH
NOZZLE ASSEMBLY
3559
2805-00-496-4470POSSIBLE MATCH
CYLINDER HEAD,GASOLINE ENGINE
5950-00-762-6603POSSIBLE MATCH
COIL,RADIO FREQUENCY
N215672-3
5325-00-929-1862POSSIBLE MATCH
GROMMET,NONMETALLIC
57A5A223-13
3040-01-033-2613POSSIBLE MATCH
SHAFT,STRAIGHT
3559
5915-01-034-5564POSSIBLE MATCH
FILTER,LOW PASS
581R781H02
5950-01-203-6866POSSIBLE MATCH
REACTOR
13160216
Frequently Asked Questions
What is NSN 2810-00-306-6725?
NSN 2810-00-306-6725 is a Liner,crankcase, 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 2810-00-306-6725?
NSN 2810-00-306-6725 has 1 manufacturer part number on file: 3559 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
What NSN replaces 2810-00-306-6725?
8 possible matches (shared part number, not a government interchangeability claim): 5950-00-337-9490, 2825-00-388-6916, 2805-00-496-4470. Verify interchangeability with system specifications before substitution.
What are the specifications of 3559?
Key specifications for 3559: General Characteristics Item Description: MATL STEEL PER AMS 6272; 1.141 IN. LONG; 5.229 IN. MIN AND 5.301 IN. MAX OD; 5.093 IN. MIN AND 5.099 IN. MAX ID; 4 HOLES 0.1875 IN. DIA; HARDNESS PER ROCKWELL C20 MIN AND C40 MAX; 1 NOTCH 0.125 IN. DEEP IN; End Item Identification: ACFT ENG R985. 1 specification is documented in the U.S. Government catalog.
Is NSN 2810-00-306-6725 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.