PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101902Insulator,washer

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 5970-01-028-6804 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-028-6804 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-028-6804. Primary manufacturer part number: 101902.
Features
  • Insulator,washer — FSC 5970
  • Material: MICA OVERALL
  • Style Designator: ROUND, FLAT
  • Inside Diameter: 0.265 INCHES NOMINAL IN
  • Outside Diameter: 0.875 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 5970-01-028-6804, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-028-6804
Primary Part Number101902
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 Diameter0.265 INCHES NOMINAL IN
Outside Diameter0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5355-00-045-525227-00406-0 INTERCHANGEABLE
Knob
Electronic Hardware Corp Dba Electronic Hardware Corp
1620-00-105-1581167251-10 INTERCHANGEABLE
Landing Gear,retractable
Goodrich Corporation
4820-00-142-3036076-00519 INTERCHANGEABLE
Cock,drain
Rogers Brothers Corp
6850-00-473-578119-1902 INTERCHANGEABLE
Cleaning and Lubricating Compoun
Gc/waldom Inc
5895-00-546-5224101902 INTERCHANGEABLE
Panel Assembly,blan
Aimtron Systems, Llc
4810-01-416-9677101902 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,lin
Coffin Turbo Pump Inc
Cross-Reference Index
Part NumberManufacturer
101902 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
Related Parts
5355-00-045-5252INTERCHANGEABLE
KNOB
27-00406-0
1620-00-105-1581INTERCHANGEABLE
LANDING GEAR,RETRACTABLE
167251-10
4820-00-142-3036INTERCHANGEABLE
COCK,DRAIN
076-00519
6850-00-473-5781INTERCHANGEABLE
CLEANING AND LUBRICATING COMPOUN
19-1902
5895-00-546-5224INTERCHANGEABLE
PANEL ASSEMBLY,BLAN
101902
4810-01-416-9677INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,LIN
101902

Frequently Asked Questions

What is NSN 5970-01-028-6804?

NSN 5970-01-028-6804 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 5970-01-028-6804?

NSN 5970-01-028-6804 has 1 cross-referenced part number: 101902 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).

What NSN replaces 5970-01-028-6804?

There are 6 known substitutes for 5970-01-028-6804: 5355-00-045-5252, 1620-00-105-1581, 4820-00-142-3036 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101902?

Key specifications for 101902: Material: MICA OVERALL; Style Designator: ROUND, FLAT; Inside Diameter: 0.265 INCHES NOMINAL IN; Outside Diameter: 0.875 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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