PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL523W04-012Insulator,standoff

Dialight Corporation · NSN 5970-00-149-7312 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-149-7312 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-149-7312. Primary manufacturer part number: NL523W04-012.
Features
  • Insulator,standoff — FSC 5970
  • Identification Code Color: WHITE
  • Mounting Facility Type and Quantity: 1 THREADED HOLE(S)
  • Thread Location: MOUNTING FACILITY AND ELECTRICAL TERMINATION
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Screw Thread Quantity Per Inch and Location: 20 ELECTRICAL TERMINATION AND 20 MOUNTING FACILITY
  • Style Designator: PILLAR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,standoff, cataloged under National Stock Number 5970-00-149-7312, 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 Dialight Corporation. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-149-7312
Primary Part NumberNL523W04-012
Item NameInsulator,standoff
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerDialight Corporation
StatusACTIVE
Identification Code ColorWHITE
Mounting Facility Type and Quantity1 THREADED HOLE(S)
Thread LocationMOUNTING FACILITY AND ELECTRICAL TERMINATION
Outside Diameter1.000 INCHES NOMINAL IN
Thread Length0.500 INCHES NOMINAL IN
Screw Thread Quantity Per Inch and Location20 ELECTRICAL TERMINATION AND 20 MOUNTING FACILITY
Style DesignatorPILLAR
Thread Class and Location2B ELECTRICAL TERMINATION AND 2B MOUNTING FACILITY
Screw Thread Diameter and Location0.250 ELECTRICAL TERMINATION INCHES NOMINAL AND 0.250 MOUNTING FACILITY INCHES NOMINAL
Dielectric Material Voltage Rating Per Unit Thickness299.0 VOLTS PER MIL /0.001 INCH/ IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6135-00-087-0333VS149 INTERCHANGEABLE
Battery,nonrechargeable
L3 Technologies, Inc. Div Communication Systems-East
5307-00-207-085311850A INTERCHANGEABLE
Stud,plain
Brinkley Technology Group Llc Dba Hercules Manufacturing
5120-00-224-4139 INTERCHANGEABLE
Hammer,hand
6515-00-226-76922623 INTERCHANGEABLE
Glove,patient Examining
Solcon Inc. Dba Quick Medical Div Solcon Inc
5935-00-328-06982623 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5310-00-413-28622623 INTERCHANGEABLE
Nut,sleeve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5360-00-448-36652623 INTERCHANGEABLE
Spring,helical,extension
Telemechanics Inc
5950-00-577-3044 INTERCHANGEABLE
Transformer,power
5815-00-895-4013 INTERCHANGEABLE
Rotary Control Cable
2990-00-905-042814948N INTERCHANGEABLE
Muffler,exhaust
Cummins Filtration Inc.
Cross-Reference Index
Part NumberManufacturer
NL523W04-012 Dialight Corporation (USA)
2623 Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron (USA)
MIL-I-23264/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NL633W04-012 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2623 Dialight Corporation (USA)
H133 Nautel Maine Inc (USA)
Related Parts
6135-00-087-0333INTERCHANGEABLE
BATTERY,NONRECHARGEABLE
VS149
5307-00-207-0853INTERCHANGEABLE
STUD,PLAIN
11850A
5120-00-224-4139INTERCHANGEABLE
HAMMER,HAND
6515-00-226-7692INTERCHANGEABLE
GLOVE,PATIENT EXAMINING
2623
5935-00-328-0698INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
2623
5310-00-413-2862INTERCHANGEABLE
NUT,SLEEVE
2623
5360-00-448-3665INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
2623
5950-00-577-3044INTERCHANGEABLE
TRANSFORMER,POWER
5815-00-895-4013INTERCHANGEABLE
ROTARY CONTROL CABLE
2990-00-905-0428INTERCHANGEABLE
MUFFLER,EXHAUST
14948N
5360-01-045-3384INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
H133
6625-01-092-1198INTERCHANGEABLE
MULTIMETER
260-8

Frequently Asked Questions

What is NSN 5970-00-149-7312?

NSN 5970-00-149-7312 is a Insulator,standoff, manufactured by Dialight Corporation, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-149-7312?

NSN 5970-00-149-7312 has 6 cross-referenced part numbers: NL523W04-012 (Dialight Corporation), 2623 (Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron), MIL-I-23264/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NL633W04-012 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2623 (Dialight Corporation) and 1 more.

What NSN replaces 5970-00-149-7312?

There are 12 known substitutes for 5970-00-149-7312: 6135-00-087-0333, 5307-00-207-0853, 5120-00-224-4139 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NL523W04-012?

Key specifications for NL523W04-012: Identification Code Color: WHITE; Mounting Facility Type and Quantity: 1 THREADED HOLE(S); Thread Location: MOUNTING FACILITY AND ELECTRICAL TERMINATION; Outside Diameter: 1.000 INCHES NOMINAL IN. 11 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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