NSN 2590-01-604-9558 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-604-9558. Manufacturer of record part number: 343-9866.
Cable Assembly Overall Length: 810.0 MILLIMETERS NOMINAL MM
Conductor Quantity: 7
1 manufacturer part number on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2590-01-604-9558
NIIN: 016049558
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 343-9866
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Wiring Harness,branched, cataloged under National Stock Number 2590-01-604-9558, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 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. Current acquisition status: Active.
Other items in FSC 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-001-1252
2590-00-001-1252 · Item name not on file
2590-00-001-1253
2590-00-001-1253 · Item name not on file
2590-00-001-1254
BRACKET,HORN MOUNTING
2590-00-001-3423
2590-00-001-3423 · Item name not on file
2590-00-001-3438
2590-00-001-3438 · Item name not on file
2590-00-001-3439
2590-00-001-3439 · Item name not on file
2590-00-001-3461
2590-00-001-3461 · Item name not on file
2590-00-001-3463
2590-00-001-3463 · Item name not on file
Frequently Asked Questions
What is NSN 2590-01-604-9558?
NSN 2590-01-604-9558 is a Wiring Harness,branched, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What part numbers are listed for NSN 2590-01-604-9558?
NSN 2590-01-604-9558 has 1 manufacturer part number on file: 343-9866 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 343-9866?
Key specifications for 343-9866: Branch Quantity: 6; Cable Assembly Overall Length: 810.0 MILLIMETERS NOMINAL MM; Conductor Quantity: 7; Part Name Assigned by Controlling Agency: HARNESS ASSY-WIRING(INJECTOR W/0 BRAKES). 3 specifications are documented in the U.S. Government catalog.
Is NSN 2590-01-604-9558 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.