NSN 2815-00-407-6451 · NIIN 004076451 · Part number 3S5954
Caterpillar Inc Div Caterpillar Defense · FSC 2815 — Diesel Engines and Components · FSG 28 — Engines, Turbines, and Components · CAGE 11083
Government record, cited
NSN 2815-00-407-6451 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-407-6451. Manufacturer of record part number: 3S5954.
Also searched as2815-00-407-6451 ·
2815004076451 ·
NIIN 004076451 ·
00-407-6451 ·
FSC 2815 Diesel Engines and Components · CAGE 11083 · 3S5954
General Characteristics Item Description: STEEL,0.375 IN. THK,7.810 IN. LG,6.810 IN. H,SLOT 0.562 BY 0.688 IN.,3.410 IN. FROM CENTER LINE OF SLOT TO END,TWO SPACER PLATES 2.000 IN. LG,0.500 IN W IN
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2815-00-407-6451
NIIN: 004076451
FSC: 2815 — Diesel Engines and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 3S5954
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Cover Assembly,crankcase Guard, cataloged under National Stock Number 2815-00-407-6451, 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 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2815-00-407-6451
Primary Part Number
3S5954
Item Name
Cover Assembly,crankcase Guard
FSC / FSG
2815 / 28 — Diesel Engines and Components
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
General Characteristics Item Description
STEEL,0.375 IN. THK,7.810 IN. LG,6.810 IN. H,SLOT 0.562 BY 0.688 IN.,3.410 IN. FROM CENTER LINE OF SLOT TO END,TWO SPACER PLATES 2.000 IN. LG,0.500 IN W IN
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 2815-00-407-6451?
NSN 2815-00-407-6451 is a Cover Assembly,crankcase Guard, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2815, Diesel Engines and Components. Status: active.
What part numbers are listed for NSN 2815-00-407-6451?
NSN 2815-00-407-6451 has 1 manufacturer part number on file: 3S5954 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 3S5954?
Key specifications for 3S5954: General Characteristics Item Description: STEEL,0.375 IN. THK,7.810 IN. LG,6.810 IN. H,SLOT 0.562 BY 0.688 IN.,3.410 IN. FROM CENTER LINE OF SLOT TO END,TWO SPACER PLATES 2.000 IN. LG,0.500 IN W IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 2815-00-407-6451 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.