PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3180099-18Insulator,washer

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5970-00-133-4840 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-133-4840 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-133-4840. Primary manufacturer part number: 3180099-18.
Features
  • Insulator,washer — FSC 5970
  • Outside Diameter: 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
  • Inside Diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
  • Style Designator: ROUND, FLAT
  • Unable to Decode: UNABLE TO DECODE
  • 37 verified cross-references
  • Primary manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Insulator,washer, cataloged under National Stock Number 5970-00-133-4840, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 25 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
NSN5970-00-133-4840
Primary Part Number3180099-18
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusCANCELLED
Outside Diameter0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
Inside Diameter0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
Style DesignatorROUND, FLAT
Unable to DecodeUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5970-00-139-513243-02-75 INTERCHANGEABLE
Insulator,washer
Accessories for Electronics Inc Dba Afe
5970-00-177-334443-03-2 INTERCHANGEABLE
Insulator,plate
Accessories for Electronics Inc Dba Afe
5999-00-264-4970 INTERCHANGEABLE
Mounting Pad,electrical-Electron
6625-00-264-7997360-P-2 INTERCHANGEABLE
Meter,electrical Frequency
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
4130-00-313-2169A421-1 INTERCHANGEABLE
Compressor Unit,refrigeration
Johnson Controls, Inc Div Building Efficiency
2930-00-354-651771-502-1 INTERCHANGEABLE
Core Section,radiat
Dresser Industries Inc Leroi Div
5305-00-410-485612146 INTERCHANGEABLE
Screw,machine
Naval Inventory Control Point Mechanicsburg
5950-00-435-120712146 INTERCHANGEABLE
Transformer,power
Magnespec Inc
5970-00-442-0862 INTERCHANGEABLE
Insulator,plate
5330-00-507-3242104791 INTERCHANGEABLE
Seal,plain Encased
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
3180099-18 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
43-02-10 IV-Electronic Klaus Vespermann Kg (DEU)
43-02-10 Thermalloy Co Inc (USA)
T511005518 Lockheed Martin Librascope Corporation (USA)
270-001-250 Elettronica Spa (ITA)
ST21D21 Lockheed Martin Corp (USA)
71502-1 Espey Mfg. & Electronics Corp. (USA)
MIL-I-38526/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5970PL1346231 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M38527/08-076P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M38527/08-076P Rosemount Aerospace Inc Dba Rosemount Aerospace Inc (USA)
M49466/01-074P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10479-1 Cardion Inc (USA)
M38527/8-76P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10201-10 Thermalloy Co Inc (USA)
988345-1 Raytheon Company Dba Raytheon (USA)
M38526/1-102 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
352-9605-050 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
A421-1 Seastrom Manufacturing Co Inc (USA)
C10219-0001 Rosemount Inc Dba Fisher Rosemount Service and Support (USA)
Related Parts
5970-00-139-5132INTERCHANGEABLE
INSULATOR,WASHER
43-02-75
5970-00-177-3344INTERCHANGEABLE
INSULATOR,PLATE
43-03-2
5999-00-264-4970INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
6625-00-264-7997INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
360-P-2
4130-00-313-2169INTERCHANGEABLE
COMPRESSOR UNIT,REFRIGERATION
A421-1
2930-00-354-6517INTERCHANGEABLE
CORE SECTION,RADIAT
71-502-1
5305-00-410-4856INTERCHANGEABLE
SCREW,MACHINE
12146
5950-00-435-1207INTERCHANGEABLE
TRANSFORMER,POWER
12146
5970-00-442-0862INTERCHANGEABLE
INSULATOR,PLATE
5330-00-507-3242INTERCHANGEABLE
SEAL,PLAIN ENCASED
104791
5970-00-569-9589INTERCHANGEABLE
INSULATOR,WASHER
5930-00-630-2012INTERCHANGEABLE
SWITCH,FOOT CONTROL
12-146

Frequently Asked Questions

What is NSN 5970-00-133-4840?

NSN 5970-00-133-4840 is a Insulator,washer, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-133-4840?

NSN 5970-00-133-4840 has 37 cross-referenced part numbers: 3180099-18 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 43-02-10 (IV-Electronic Klaus Vespermann Kg), 43-02-10 (Thermalloy Co Inc), T511005518 (Lockheed Martin Librascope Corporation), 270-001-250 (Elettronica Spa) and 32 more.

What NSN replaces 5970-00-133-4840?

There are 12 known substitutes for 5970-00-133-4840: 5970-00-139-5132, 5970-00-177-3344, 5999-00-264-4970 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3180099-18?

Key specifications for 3180099-18: Outside Diameter: 0.547 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN; Overall Height: 0.002 INCHES NOMINAL IN; Inside Diameter: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Style Designator: ROUND, FLAT. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5970-00-133-4840 still in active supply?

NSN 5970-00-133-4840 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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