NSN 3950-01-566-6903 — this item is cataloged by the U.S. Government under National Stock Number 3950-01-566-6903. Manufacturer of record part number: 1883599C2.
Also searched as3950-01-566-6903 ·
3950015666903 ·
NIIN 015666903 ·
01-566-6903 ·
FSC 3950 Winches, Hoists, Cranes, and Derricks · CAGE 338X5 · 1883599C2 · 1883599C2L
Nearby stock numbers← 3950-01-566-4859 Boom, Hoist Support
·
3950-01-566-8976 Winch, Drum, Power Operated →
Features
Tensioner Pulley Assembly — FSC 3950
Overall Diameter: 84.0 MILLIMETERS NOMINAL MM
Material: STEEL
1 manufacturer part number on file
Manufacturer of record: Nd Defense Llc
Identification
NSN: 3950-01-566-6903
NIIN: 015666903
FSC: 3950 — Winches, Hoists, Cranes, and Derricks
FSG: 39 — Materials Handling Equipment
Primary part number: 1883599C2
Manufacturer: Nd Defense Llc
General Description
The Tensioner Pulley Assembly, cataloged under National Stock Number 3950-01-566-6903, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Nd Defense Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 3950 — Winches, Hoists, Cranes, and Derricks
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3950-00-001-1249
LINING,FRICTION
3950-00-001-3984
3950-00-001-3984 · Item name not on file
3950-00-001-6303
3950-00-001-6303 · Item name not on file
3950-00-001-6304
3950-00-001-6304 · Item name not on file
3950-00-001-6312
3950-00-001-6312 · Item name not on file
3950-00-001-6313
HOIST,TRUCK
3950-00-001-7831
3950-00-001-7831 · Item name not on file
3950-00-001-7834
COOLING COIL,WINCH
Frequently Asked Questions
What is NSN 3950-01-566-6903?
NSN 3950-01-566-6903 is a Tensioner Pulley Assembly, manufactured by Nd Defense Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
What part numbers are listed for NSN 3950-01-566-6903?
NSN 3950-01-566-6903 has 1 manufacturer part number on file: 1883599C2 (Nd Defense Llc).
What are the specifications of 1883599C2?
Key specifications for 1883599C2: Overall Height: 84.9 MILLIMETERS NOMINAL MM; Overall Diameter: 84.0 MILLIMETERS NOMINAL MM; Overall Length: 178.00 MILLIMETERS NOMINAL MM; Overall Width: 102.0 MILLIMETERS NOMINAL MM. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3950-01-566-6903 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.