PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL522W19-011Insulator,standoff

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-00-280-8853 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-280-8853 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-280-8853. Primary manufacturer part number: NL522W19-011.
Features
  • Insulator,standoff — FSC 5970
  • Outside Diameter: 2.125 INCHES NOMINAL IN
  • Identification Code Color: WHITE
  • Base Inside Diameter: 0.500 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Height Above Mounting Surface: 1.375 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 1.688 INCHES NOMINAL IN
  • Top Diameter: 0.781 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,standoff, cataloged under National Stock Number 5970-00-280-8853, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5970-00-280-8853
Primary Part NumberNL522W19-011
Item NameInsulator,standoff
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Outside Diameter2.125 INCHES NOMINAL IN
Identification Code ColorWHITE
Base Inside Diameter0.500 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Height Above Mounting Surface1.375 INCHES NOMINAL IN
Mounting Bolt Circle Diameter1.688 INCHES NOMINAL IN
Top Diameter0.781 INCHES NOMINAL IN
Dielectric Material Voltage Rating Per Unit Thickness249.0 VOLTS PER MIL /0.001 INCH/ IN
Style DesignatorCONICAL, BEEHIVE
Flange Thickness0.250 INCHES NOMINAL IN
Mounting Hole Diameter0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5970-00-117-4954 INTERCHANGEABLE
Insulator,standoff
5970-00-117-4965 INTERCHANGEABLE
Insulator,standoff
5970-00-117-4968 INTERCHANGEABLE
Insulator,standoff
5970-00-455-0009 INTERCHANGEABLE
Insulator,standoff
5970-00-583-9014 INTERCHANGEABLE
Insulator,standoff
5970-00-644-3047 INTERCHANGEABLE
Insulator,standoff
5970-00-931-1115 INTERCHANGEABLE
Insulator,standoff
5970-01-234-3091 INTERCHANGEABLE
Insulator,standoff
Cross-Reference Index
Part NumberManufacturer
NL522W19-011 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-I-23264/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5970-00-117-4954INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-117-4965INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-117-4968INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-455-0009INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-583-9014INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-644-3047INTERCHANGEABLE
INSULATOR,STANDOFF
5970-00-931-1115INTERCHANGEABLE
INSULATOR,STANDOFF
5970-01-234-3091INTERCHANGEABLE
INSULATOR,STANDOFF

Frequently Asked Questions

What is NSN 5970-00-280-8853?

NSN 5970-00-280-8853 is a Insulator,standoff, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-280-8853?

NSN 5970-00-280-8853 has 2 cross-referenced part numbers: NL522W19-011 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-I-23264/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5970-00-280-8853?

There are 8 known substitutes for 5970-00-280-8853: 5970-00-117-4954, 5970-00-117-4965, 5970-00-117-4968 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NL522W19-011?

Key specifications for NL522W19-011: Outside Diameter: 2.125 INCHES NOMINAL IN; Identification Code Color: WHITE; Base Inside Diameter: 0.500 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S). 13 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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