PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL523W01-010Insulator,standoff

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5970-00-148-3637 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-148-3637 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-148-3637. Primary manufacturer part number: NL523W01-010.
Features
  • Insulator,standoff — FSC 5970
  • Outside Diameter: 0.375 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 1 THREADED HOLE(S)
  • Thread Location: MOUNTING FACILITY AND ELECTRICAL TERMINATION
  • Thread Length: 0.375 INCHES NOMINAL IN
  • Screw Thread Quantity Per Inch and Location: 32 ELECTRICAL TERMINATION AND 32 MOUNTING FACILITY
  • Dielectric Material Voltage Rating Per Unit Thickness: 299.0 VOLTS PER MIL /0.001 INCH/ IN
  • Screw Thread Diameter and Location: 0.138 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.138 MOUNTING FACILITY INCHES NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,standoff, cataloged under National Stock Number 5970-00-148-3637, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5970-00-148-3637
Primary Part NumberNL523W01-010
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
StatusCANCELLED
Outside Diameter0.375 INCHES NOMINAL IN
Mounting Facility Type and Quantity1 THREADED HOLE(S)
Thread LocationMOUNTING FACILITY AND ELECTRICAL TERMINATION
Thread Length0.375 INCHES NOMINAL IN
Screw Thread Quantity Per Inch and Location32 ELECTRICAL TERMINATION AND 32 MOUNTING FACILITY
Dielectric Material Voltage Rating Per Unit Thickness299.0 VOLTS PER MIL /0.001 INCH/ IN
Screw Thread Diameter and Location0.138 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.138 MOUNTING FACILITY INCHES NOMINAL
Thread Class and Location2B ELECTRICAL TERMINATION AND 2B MOUNTING FACILITY
Style DesignatorPILLAR
Identification Code ColorWHITE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6625-00-237-4980 INTERCHANGEABLE
Multimeter
5995-00-270-68962300701-5 INTERCHANGEABLE
Cord Assembly,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6670-00-369-5473 INTERCHANGEABLE
Balance,analytical
5998-00-467-0810700010-1 INTERCHANGEABLE
Circuit Card Assembly
Contraves Inc
2835-00-739-8708700010 INTERCHANGEABLE
Door Assy,e,haust
Sabreliner Corp
5330-00-772-49252604 INTERCHANGEABLE
Gasket
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
5998-00-784-93712604 INTERCHANGEABLE
Circuit Card Assembly
Mission Systems Davenport Inc.
3110-00-810-91531202GF-1B1 INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5950-00-818-6952722801-21 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Rmd Strategic
5330-01-043-1804 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
NL523W01-010 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2604 Ohmite Holding, L.l.c. Dba Ohmite Manufacturing (USA)
2604 Dialight Corporation (USA)
70-0010 Carborundum Co the Refractories and Electronics Div Latrobe Plant (USA)
NL522W01-010 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-I-23264/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NL633W01-010 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2604 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
190-0124-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
6625-00-237-4980INTERCHANGEABLE
MULTIMETER
5995-00-270-6896INTERCHANGEABLE
CORD ASSEMBLY,ELECTRICAL
2300701-5
6670-00-369-5473INTERCHANGEABLE
BALANCE,ANALYTICAL
5998-00-467-0810INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
700010-1
2835-00-739-8708INTERCHANGEABLE
DOOR ASSY,E,HAUST
700010
5330-00-772-4925INTERCHANGEABLE
GASKET
2604
5998-00-784-9371INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2604
3110-00-810-9153INTERCHANGEABLE
BEARING,BALL,ANNULAR
1202GF-1B1
5950-00-818-6952INTERCHANGEABLE
TRANSFORMER,POWER
722801-21
5330-01-043-1804INTERCHANGEABLE
GASKET
7690-01-089-8685INTERCHANGEABLE
MARKER,IDENTIFICATION
2604
5920-01-103-4727INTERCHANGEABLE
FUSEHOLDER,BLOCK
2604

Frequently Asked Questions

What is NSN 5970-00-148-3637?

NSN 5970-00-148-3637 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: cancelled.

What are the part numbers for NSN 5970-00-148-3637?

NSN 5970-00-148-3637 has 9 cross-referenced part numbers: NL523W01-010 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2604 (Ohmite Holding, L.l.c. Dba Ohmite Manufacturing), 2604 (Dialight Corporation), 70-0010 (Carborundum Co the Refractories and Electronics Div Latrobe Plant), NL522W01-010 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 5970-00-148-3637?

There are 12 known substitutes for 5970-00-148-3637: 6625-00-237-4980, 5995-00-270-6896, 6670-00-369-5473 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NL523W01-010?

Key specifications for NL523W01-010: Outside Diameter: 0.375 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 THREADED HOLE(S); Thread Location: MOUNTING FACILITY AND ELECTRICAL TERMINATION; Overall Height: 1.250 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-148-3637 still in active supply?

NSN 5970-00-148-3637 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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