PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5569546Insulator Assy,air

Rolls-Royce Solutions America Inc · NSN 2990-00-506-4926 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-506-4926 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-506-4926. Primary manufacturer part number: 5569546.
Features
  • Insulator Assy,air — FSC 2990
  • 5 verified cross-references
  • Primary manufacturer: Rolls-Royce Solutions America Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator Assy,air, cataloged under National Stock Number 2990-00-506-4926, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameInsulator Assy,air
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersRolls-Royce Solutions America Inc (CAGE 72582); General Motors Llc Dba General Motors Llc (CAGE 7X677); General Motors Llc Dba General Motors (CAGE 70040); Allis-Chalmers Corp (CAGE 92392)
Technical Specifications
ParameterValue
NSN2990-00-506-4926
Primary Part Number5569546
Item NameInsulator Assy,air
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerRolls-Royce Solutions America Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-014-28701066620-1 INTERCHANGEABLE
Lamp,glow
Raytheon Company Dba Raytheon Co
3110-00-108-9336ERG213 INTERCHANGEABLE
Bearing,ball,annular
Chief of Engineers Dept of Army
3110-00-157-19081000R59 INTERCHANGEABLE
Bearing,ball,annular
Raytheon Company Dba Raytheon Co
4210-00-374-3391 INTERCHANGEABLE
Plate,check Valve
4330-00-405-0108 INTERCHANGEABLE
Filter Element,fluid
5961-00-814-6097 INTERCHANGEABLE
Semiconductor Device,diode
3110-00-891-5188 INTERCHANGEABLE
Bearing,ball,annular
5999-00-973-6309F4 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
4910-01-276-7646 INTERCHANGEABLE
Jack,dolly Type,hydraulic
3010-01-308-1896 INTERCHANGEABLE
Coupling,shaft,flexible
Cross-Reference Index
Part NumberManufacturer
5569546 PRIMARY Rolls-Royce Solutions America Inc (USA)
5569546 General Motors Llc Dba General Motors Llc (USA)
F4 General Motors Llc Dba General Motors (USA)
5569546 Allis-Chalmers Corp (USA)
5569546 General Motors Llc Dba General Motors (USA)
Related Parts
6240-00-014-2870INTERCHANGEABLE
LAMP,GLOW
1066620-1
3110-00-108-9336INTERCHANGEABLE
BEARING,BALL,ANNULAR
ERG213
3110-00-157-1908INTERCHANGEABLE
BEARING,BALL,ANNULAR
1000R59
4210-00-374-3391INTERCHANGEABLE
PLATE,CHECK VALVE
4330-00-405-0108INTERCHANGEABLE
FILTER ELEMENT,FLUID
5961-00-814-6097INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
3110-00-891-5188INTERCHANGEABLE
BEARING,BALL,ANNULAR
5999-00-973-6309INTERCHANGEABLE
DELAY LINE
F4
4910-01-276-7646INTERCHANGEABLE
JACK,DOLLY TYPE,HYDRAULIC
3010-01-308-1896INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
5315-01-315-0035INTERCHANGEABLE
PIN,LOCK,DETENT
5961-01-467-0882INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1N2070

Frequently Asked Questions

What is NSN 2990-00-506-4926?

NSN 2990-00-506-4926 is a Insulator Assy,air, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-506-4926?

NSN 2990-00-506-4926 has 5 cross-referenced part numbers: 5569546 (Rolls-Royce Solutions America Inc), 5569546 (General Motors Llc Dba General Motors Llc), F4 (General Motors Llc Dba General Motors), 5569546 (Allis-Chalmers Corp), 5569546 (General Motors Llc Dba General Motors).

What NSN replaces 2990-00-506-4926?

There are 12 known substitutes for 2990-00-506-4926: 6240-00-014-2870, 3110-00-108-9336, 3110-00-157-1908 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com