PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1189-26Idler Sprocket Asse

Insinger Machine Co · NSN 3020-01-451-0218 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-451-0218 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-451-0218. Primary manufacturer part number: 1189-26.
Features
  • Idler Sprocket Asse — FSC 3020
  • Accessory Components and Quantity: SPROCKET 1, BRACKET 1, WELDSTUD 1, FLAT WASHER 1, WASHER LOCK 1, HEX NUT 1
  • Material: STEEL
  • 3 verified cross-references
  • Primary manufacturer: Insinger Machine Co
Applications
  • Applications requiring Steel construction
General Description

The Idler Sprocket Asse, cataloged under National Stock Number 3020-01-451-0218, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Insinger Machine Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-451-0218
Primary Part Number1189-26
Item NameIdler Sprocket Asse
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerInsinger Machine Co
StatusACTIVE
Accessory Components and QuantitySPROCKET 1, BRACKET 1, WELDSTUD 1, FLAT WASHER 1, WASHER LOCK 1, HEX NUT 1
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1630-00-144-2304118-91 INTERCHANGEABLE
Hubcap Assembly
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5815-00-338-4468SM-B-157447-2 INTERCHANGEABLE
Bushing,plain,sleeve
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6730-00-356-6943 INTERCHANGEABLE
Late,switch
5340-00-447-3477118926 INTERCHANGEABLE
Clip,retaining
Am General Llc
3020-00-632-600911892600 INTERCHANGEABLE
Gear,camshaft
Cummins Inc.
1650-00-657-977011891 INTERCHANGEABLE
Parts Kit,valve,cure
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5950-00-706-9405 INTERCHANGEABLE
Coil,radio Frequency
5955-00-842-4696 INTERCHANGEABLE
Crystal Unit,quartz
5950-00-854-2737 INTERCHANGEABLE
Transformer,audio Frequency
5999-00-945-99412994623-2 INTERCHANGEABLE
Wire Mesh,knitted
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
1189-1 Insinger Machine Co (USA)
1189-1 ITEM 5 Insinger Machine Co (USA)
1189-26 PRIMARY Insinger Machine Co (USA)
Related Parts
1630-00-144-2304INTERCHANGEABLE
HUBCAP ASSEMBLY
118-91
5815-00-338-4468INTERCHANGEABLE
BUSHING,PLAIN,SLEEVE
SM-B-157447-2
6730-00-356-6943INTERCHANGEABLE
LATE,SWITCH
5340-00-447-3477INTERCHANGEABLE
CLIP,RETAINING
118926
3020-00-632-6009INTERCHANGEABLE
GEAR,CAMSHAFT
11892600
1650-00-657-9770INTERCHANGEABLE
PARTS KIT,VALVE,CURE
11891
5950-00-706-9405INTERCHANGEABLE
COIL,RADIO FREQUENCY
5955-00-842-4696INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
5950-00-854-2737INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5999-00-945-9941INTERCHANGEABLE
WIRE MESH,KNITTED
2994623-2
3010-01-437-5740INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
D2530
3020-01-437-8780INTERCHANGEABLE
CHAIN,ROLLER
1189-29

Frequently Asked Questions

What is NSN 3020-01-451-0218?

NSN 3020-01-451-0218 is a Idler Sprocket Asse, manufactured by Insinger Machine Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-451-0218?

NSN 3020-01-451-0218 has 3 cross-referenced part numbers: 1189-1 (Insinger Machine Co), 1189-1 ITEM 5 (Insinger Machine Co), 1189-26 (Insinger Machine Co).

What NSN replaces 3020-01-451-0218?

There are 12 known substitutes for 3020-01-451-0218: 1630-00-144-2304, 5815-00-338-4468, 6730-00-356-6943 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1189-26?

Key specifications for 1189-26: End Item Identification: WASP CLASS LHD; Accessory Components and Quantity: SPROCKET 1, BRACKET 1, WELDSTUD 1, FLAT WASHER 1, WASHER LOCK 1, HEX NUT 1; Material: STEEL. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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