PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4392Insulator,washer

Prestolite Electric Inc · NSN 5970-00-497-7838 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-497-7838 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-497-7838. Primary manufacturer part number: 4392.
Features
  • Insulator,washer — FSC 5970
  • First Key Thickness: 0.313 INCHES NOMINAL IN
  • First Key Width: 1.478 INCHES NOMINAL IN
  • Material: PLASTIC PHENOLIC OVERALL
  • Style Designator: ROUND, FLAT
  • Outside Diameter: 2.812 INCHES NOMINAL IN
  • Inside Diameter: 1.185 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Phenolic Overall construction
General Description

The Insulator,washer, cataloged under National Stock Number 5970-00-497-7838, 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 Prestolite Electric Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN5970-00-497-7838
Primary Part Number4392
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerPrestolite Electric Inc
StatusACTIVE
First Key Thickness0.313 INCHES NOMINAL IN
First Key Width1.478 INCHES NOMINAL IN
MaterialPLASTIC PHENOLIC OVERALL
Style DesignatorROUND, FLAT
Outside Diameter2.812 INCHES NOMINAL IN
Inside Diameter1.185 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5905-00-080-5899 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
6220-00-299-69214604R INTERCHANGEABLE
Lens,light
Ktm 2 Llc Dba Arrow Safety Device Company
6220-00-299-7563WPP1539 INTERCHANGEABLE
Lens,light
Siemens Water Technologies Corp. Div Wallace & Tiernan Products
5905-00-456-533993J100 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
6220-00-726-1916 INTERCHANGEABLE
Light,marker,clearance
4510-00-885-75702835U INTERCHANGEABLE
Urinal,stationary
Anchor Fabricators Inc
3120-01-163-23384392 INTERCHANGEABLE
Bushing,sleeve
Ingersoll-Rand Co Material Handling Div
6130-01-641-69734392 INTERCHANGEABLE
Converter Subassembly,frequency,
Omnitron Systems Technology, Inc. Dba Omnitron Systems Technology Inc
Cross-Reference Index
Part NumberManufacturer
4392 Prestolite Electric Inc (USA)
RM4392 Botoman Mfg Co Inc (USA)
4392 Wico-Prestolite Co the Div of Eltra Corp (USA)
4392 PRIMARY Prestolite Electric Inc (USA)
Related Parts
5905-00-080-5899INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6220-00-299-6921INTERCHANGEABLE
LENS,LIGHT
4604R
6220-00-299-7563INTERCHANGEABLE
LENS,LIGHT
WPP1539
5905-00-456-5339INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
93J100
6220-00-726-1916INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
4510-00-885-7570INTERCHANGEABLE
URINAL,STATIONARY
2835U
3120-01-163-2338INTERCHANGEABLE
BUSHING,SLEEVE
4392
6130-01-641-6973INTERCHANGEABLE
CONVERTER SUBASSEMBLY,FREQUENCY,
4392

Frequently Asked Questions

What is NSN 5970-00-497-7838?

NSN 5970-00-497-7838 is a Insulator,washer, manufactured by Prestolite Electric Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-497-7838?

NSN 5970-00-497-7838 has 4 cross-referenced part numbers: 4392 (Prestolite Electric Inc), RM4392 (Botoman Mfg Co Inc), 4392 (Wico-Prestolite Co the Div of Eltra Corp), 4392 (Prestolite Electric Inc).

What NSN replaces 5970-00-497-7838?

There are 8 known substitutes for 5970-00-497-7838: 5905-00-080-5899, 6220-00-299-6921, 6220-00-299-7563 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4392?

Key specifications for 4392: Overall Height: 0.035 INCHES NOMINAL IN; First Key Thickness: 0.313 INCHES NOMINAL IN; First Key Width: 1.478 INCHES NOMINAL IN; Material: PLASTIC PHENOLIC OVERALL. 7 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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