PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L502Insulator,strain

Joslyn Corp · NSN 5970-00-284-4622 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-284-4622 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-284-4622. Primary manufacturer part number: L502.
Features
  • Insulator,strain — FSC 5970
  • First Distance Between Conductor Grooves: 1.750 INCHES NOMINAL IN
  • Conductor Separation Distance: 1.750 INCHES NOMINAL IN
  • Wire Hole Diameter: 0.625 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S)
  • Style Designator: GUY, MISCELLANEOUS
  • Identification Code Color: BROWN
  • Material: PORCELAIN OVERALL
Applications
  • Applications requiring Porcelain Overall construction
General Description

The Insulator,strain, cataloged under National Stock Number 5970-00-284-4622, 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 Joslyn Corp. Government technical data includes 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-284-4622
Primary Part NumberL502
Item NameInsulator,strain
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerJoslyn Corp
StatusACTIVE
First Distance Between Conductor Grooves1.750 INCHES NOMINAL IN
Conductor Separation Distance1.750 INCHES NOMINAL IN
Wire Hole Diameter0.625 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 UNTHREADED HOLE(S)
Style DesignatorGUY, MISCELLANEOUS
Identification Code ColorBROWN
MaterialPORCELAIN OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5970-00-356-0574L502 INTERCHANGEABLE
Insulator,strain
Joslyn Corp
4930-00-940-028404L10GB INTERCHANGEABLE
Lubricator,airline
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
Cross-Reference Index
Part NumberManufacturer
L502 Joslyn Corp (USA)
Related Parts
5970-00-356-0574INTERCHANGEABLE
INSULATOR,STRAIN
L502
4930-00-940-0284INTERCHANGEABLE
LUBRICATOR,AIRLINE
04L10GB

Frequently Asked Questions

What is NSN 5970-00-284-4622?

NSN 5970-00-284-4622 is a Insulator,strain, manufactured by Joslyn Corp, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-284-4622?

NSN 5970-00-284-4622 has 1 cross-referenced part number: L502 (Joslyn Corp).

What NSN replaces 5970-00-284-4622?

There are 2 known substitutes for 5970-00-284-4622: 5970-00-356-0574, 4930-00-940-0284. Verify interchangeability with system specifications before substitution.

What are the specifications of L502?

Key specifications for L502: First Distance Between Conductor Grooves: 1.750 INCHES NOMINAL IN; Conductor Separation Distance: 1.750 INCHES NOMINAL IN; Wire Hole Diameter: 0.625 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S). 9 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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