PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101901Insulator,washer

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5970-01-028-6332 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-028-6332 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-028-6332. Primary manufacturer part number: 101901.
Features
  • Insulator,washer — FSC 5970
  • Material: MICA OVERALL
  • Style Designator: ROUND, FLAT
  • Inside Diameter: 0.200 INCHES NOMINAL IN
  • Outside Diameter: 0.625 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Mica Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-028-6332, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-028-6332
Primary Part Number101901
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
MaterialMICA OVERALL
Style DesignatorROUND, FLAT
Inside Diameter0.200 INCHES NOMINAL IN
Outside Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5355-00-045-52512420-1400G3 INTERCHANGEABLE
Knob
Raytheon Co Equipment Development Lab
5360-00-933-0753101901 INTERCHANGEABLE
Spring,helical,compression
Marotta Controls Inc
2990-00-991-3657101901 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
5360-01-051-2248 INTERCHANGEABLE
Spring,helical,compression
5950-01-057-3238101901 INTERCHANGEABLE
Transformer,power
Marine Electric Systems Inc
5315-01-067-3279101901 INTERCHANGEABLE
Pin,cotter
Mcculloch Corp
4730-01-332-9904101901 INTERCHANGEABLE
Strainer Element,sediment
Little Giant Pump Co
4810-01-416-8180101901 INTERCHANGEABLE
Valve,solenoid
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
101901 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
5355-00-045-5251INTERCHANGEABLE
KNOB
2420-1400G3
5360-00-933-0753INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
101901
2990-00-991-3657INTERCHANGEABLE
MUFFLER,EXHAUST
101901
5360-01-051-2248INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-01-057-3238INTERCHANGEABLE
TRANSFORMER,POWER
101901
5315-01-067-3279INTERCHANGEABLE
PIN,COTTER
101901
4730-01-332-9904INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
101901
4810-01-416-8180INTERCHANGEABLE
VALVE,SOLENOID
101901

Frequently Asked Questions

What is NSN 5970-01-028-6332?

NSN 5970-01-028-6332 is a Insulator,washer, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-028-6332?

NSN 5970-01-028-6332 has 1 cross-referenced part number: 101901 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5970-01-028-6332?

There are 8 known substitutes for 5970-01-028-6332: 5355-00-045-5251, 5360-00-933-0753, 2990-00-991-3657 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101901?

Key specifications for 101901: Material: MICA OVERALL; Style Designator: ROUND, FLAT; Inside Diameter: 0.200 INCHES NOMINAL IN; Overall Height: 0.003 INCHES NOMINAL IN. 5 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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