NSN 2815-01-024-2694 · NIIN 010242694 · Part number 9N581
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-024-2694 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-024-2694. Manufacturer of record part number: 9N581.
Also searched as2815-01-024-2694 ·
2815010242694 ·
NIIN 010242694 ·
01-024-2694 ·
FSC 2815 Diesel Engines and Components · CAGE 11083 · 9N581 · IPD9N0581
Cross-Sectional Shape Style: INSIDE BEVEL, UPPER, STRAIGHT FACE
Joint Style: VERTICAL JOINT
Radial Wall Thickness: 0.1850 INCHES NOMINAL IN
Ring Style: CONCENTRIC
Standard Bore Diameter: 4.510 INCHES IN
Material: STEEL OVERALL
2 manufacturer part numbers on file
Identification
NSN: 2815-01-024-2694
NIIN: 010242694
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 9N581
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Ring,piston, cataloged under National Stock Number 2815-01-024-2694, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Other items in FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099
2815-00-011-9099 · Item name not on file
2815-00-017-1875
PIN
2815-00-024-4185
2815-00-024-4185 · Item name not on file
2815-00-033-1482
2815-00-033-1482 · Item name not on file
2815-00-036-5350
2815-00-036-5350 · Item name not on file
2815-00-179-7630
TUBE
2815-00-346-4639
STRAINER ASSY
2815-00-592-5308
RING,PISTON
Frequently Asked Questions
What is NSN 2815-01-024-2694?
NSN 2815-01-024-2694 is a Ring,piston, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-01-024-2694?
NSN 2815-01-024-2694 has 2 manufacturer part numbers on file: 9N581 (Caterpillar Inc Div Caterpillar Defense), 9N581 (Caterpillar Tractor Co Ltd).
What are the specifications of 9N581?
Key specifications for 9N581: Overall Width: 0.1240 INCHES NOMINAL IN; Cross-Sectional Shape Style: INSIDE BEVEL, UPPER, STRAIGHT FACE; Joint Style: VERTICAL JOINT; Radial Wall Thickness: 0.1850 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2815-01-024-2694 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.