NSN 3020-01-581-6557 · NIIN 015816557 · Part number 1668892-1
Raytheon Company Dba Raytheon · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 1SDY4
Government record, cited
NSN 3020-01-581-6557 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-581-6557. Manufacturer of record part number: 1668892-1.
Also searched as3020-01-581-6557 ·
3020015816557 ·
NIIN 015816557 ·
01-581-6557 ·
FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 1SDY4 · 1668892-1
Manufacturer of record: Raytheon Company Dba Raytheon
Identification
NSN: 3020-01-581-6557
NIIN: 015816557
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 1668892-1
Manufacturer: Raytheon Company Dba Raytheon
General Description
The Pulley,timing Belt, cataloged under National Stock Number 3020-01-581-6557, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon. 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
3020-01-581-6557
Primary Part Number
1668892-1
Item Name
Pulley,timing Belt
FSC / FSG
3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091
GEAR,SPUR
3020-00-001-0027
3020-00-001-0027 · Item name not on file
3020-00-001-0028
3020-00-001-0028 · Item name not on file
3020-00-001-0063
3020-00-001-0063 · Item name not on file
3020-00-001-0064
3020-00-001-0064 · Item name not on file
3020-00-001-0066
3020-00-001-0066 · Item name not on file
3020-00-001-0071
3020-00-001-0071 · Item name not on file
3020-00-001-0072
3020-00-001-0072 · Item name not on file
Frequently Asked Questions
What is NSN 3020-01-581-6557?
NSN 3020-01-581-6557 is a Pulley,timing Belt, manufactured by Raytheon Company Dba Raytheon, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
What part numbers are listed for NSN 3020-01-581-6557?
NSN 3020-01-581-6557 has 1 manufacturer part number on file: 1668892-1 (Raytheon Company Dba Raytheon).
What are the specifications of 1668892-1?
Key specifications for 1668892-1: Part Name Assigned by Controlling Agency: PULLEY PINION MODIFIED; End Item Identification: 5855-01-573-2483;MEDIUM RANGE THERMAL BI-OCULAR(MRTB). 0 specifications are documented in the U.S. Government catalog.
Is NSN 3020-01-581-6557 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.