PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43-18-1Insulator,disk

Thermalloy Co Inc · NSN 5970-00-350-5147 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-350-5147 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-350-5147. Primary manufacturer part number: 43-18-1.
Features
  • Insulator,disk — FSC 5970
  • Style Designator: DRILLED, FLAT
  • Environmental Protection: FUNGUS RESISTANT AND MILDEW RESISTANT
  • Second Hole Spacing: 0.100 INCHES NOMINAL IN
  • First Hole Diameter: 0.036 INCHES NOMINAL IN
  • Outside Diameter: 0.250 INCHES NOMINAL IN
  • First Hole Spacing: 0.050 INCHES NOMINAL IN
  • Material and Location: OVERALL PLASTIC, POLYIMIDE, MIL-P-46112, TYPE 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,disk, cataloged under National Stock Number 5970-00-350-5147, 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 Thermalloy Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-00-350-5147
Primary Part Number43-18-1
Item NameInsulator,disk
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerThermalloy Co Inc
StatusACTIVE
Style DesignatorDRILLED, FLAT
Environmental ProtectionFUNGUS RESISTANT AND MILDEW RESISTANT
Second Hole Spacing0.100 INCHES NOMINAL IN
First Hole Diameter0.036 INCHES NOMINAL IN
Outside Diameter0.250 INCHES NOMINAL IN
First Hole Spacing0.050 INCHES NOMINAL IN
Material and LocationOVERALL PLASTIC, POLYIMIDE, MIL-P-46112, TYPE 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-518-0193 INTERCHANGEABLE
Transformer,power
6550-01-181-7032 INTERCHANGEABLE
Culture Media Slide
7320-01-195-169043181 INTERCHANGEABLE
Sleeve,drive Shaft,dishwasher
Insinger Machine Co
6020-01-691-956843-181 INTERCHANGEABLE
Cable Assembly,fiber Optic
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
Cross-Reference Index
Part NumberManufacturer
43-18-1 Thermalloy Co Inc (USA)
10514-3P Ross Milton Co the (USA)
43-18-1 Accessories for Electronics Inc Dba Afe (USA)
43-18-1 IV-Electronic Klaus Vespermann Kg (DEU)
M49466/01-052P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38527/8-42P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
724710-9 Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
M49466/01-52P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38527/08-042P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
352-9605-120 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
MIL-I-49466/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-38527/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10031202-103 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
40-620-1224 Meggitt (new Hampshire), Inc (USA)
325006-50 Transico, Inc. Dba Eeco Switch (USA)
C511009288 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5950-00-518-0193INTERCHANGEABLE
TRANSFORMER,POWER
6550-01-181-7032INTERCHANGEABLE
CULTURE MEDIA SLIDE
7320-01-195-1690INTERCHANGEABLE
SLEEVE,DRIVE SHAFT,DISHWASHER
43181
6020-01-691-9568INTERCHANGEABLE
CABLE ASSEMBLY,FIBER OPTIC
43-181

Frequently Asked Questions

What is NSN 5970-00-350-5147?

NSN 5970-00-350-5147 is a Insulator,disk, manufactured by Thermalloy Co Inc, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-00-350-5147?

NSN 5970-00-350-5147 has 16 cross-referenced part numbers: 43-18-1 (Thermalloy Co Inc), 10514-3P (Ross Milton Co the), 43-18-1 (Accessories for Electronics Inc Dba Afe), 43-18-1 (IV-Electronic Klaus Vespermann Kg), M49466/01-052P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 11 more.

What NSN replaces 5970-00-350-5147?

There are 4 known substitutes for 5970-00-350-5147: 5950-00-518-0193, 6550-01-181-7032, 7320-01-195-1690 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43-18-1?

Key specifications for 43-18-1: Style Designator: DRILLED, FLAT; Environmental Protection: FUNGUS RESISTANT AND MILDEW RESISTANT; Overall Height: 0.002 INCHES NOMINAL IN; Second Hole Spacing: 0.100 INCHES NOMINAL IN. 8 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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