NSN 2815-01-522-6971 · NIIN 015226971 · Part number 143-2544
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-01-522-6971 — this item is cataloged by the U.S. Government under National Stock Number 2815-01-522-6971. Manufacturer of record part number: 143-2544.
Also searched as2815-01-522-6971 ·
2815015226971 ·
NIIN 015226971 ·
01-522-6971 ·
FSC 2815 Diesel Engines and Components · CAGE 11083 · 143-2544 · 5KK40 · 5KK40
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2815-01-522-6971
NIIN: 015226971
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 143-2544
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Cover,engine Poppet Valve Rocker, cataloged under National Stock Number 2815-01-522-6971, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
2815-00-000-0075
ENGINE,DIESEL
2815-00-001-0022
VALVE,POPPET,ENGINE
2815-00-001-3475
PISTON,INTERNAL COMBUSTION ENGIN
2815-00-001-7728
TAPPET,PUMP
2815-00-001-7737
2815-00-001-7737 · Item name not on file
2815-00-001-7805
OIL PUMP ASSEMBLY
2815-00-001-7806
CAMSHAFT,ENGINE
2815-00-001-7813
RING SET,PISTON
Frequently Asked Questions
What is NSN 2815-01-522-6971?
NSN 2815-01-522-6971 is a Cover,engine Poppet Valve Rocker, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-01-522-6971?
NSN 2815-01-522-6971 has 2 manufacturer part numbers on file: 143-2544 (Caterpillar Inc Div Caterpillar Defense), 5KK40 (Oshkosh Defense Llc).
What are the specifications of 143-2544?
Key specifications for 143-2544: End Item Identification: WHEELED TANKER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2815-01-522-6971 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.