PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12500Insulator,washer

Stanadyne Corporation Dba Stanadyne Diesel Systems · NSN 5970-01-335-4347 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-335-4347 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-335-4347. Primary manufacturer part number: 12500.
Features
  • Insulator,washer — FSC 5970
  • Outside Diameter: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
  • Inside Diameter: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Stanadyne Corporation Dba Stanadyne Diesel Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Insulator,washer, cataloged under National Stock Number 5970-01-335-4347, 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 Stanadyne Corporation Dba Stanadyne Diesel Systems. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5970-01-335-4347
Primary Part Number12500
Item NameInsulator,washer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerStanadyne Corporation Dba Stanadyne Diesel Systems
StatusACTIVE
Outside Diameter0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
Inside Diameter0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-232-8144 INTERCHANGEABLE
Drill,twist
5905-00-593-9411580R378H10 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
1730-00-736-5796 INTERCHANGEABLE
Housing,reduction U
5950-00-759-131812500 INTERCHANGEABLE
Reactor
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
5310-00-830-782512500 INTERCHANGEABLE
Washer,shouldered
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
3455-01-034-0355 INTERCHANGEABLE
File,rotary
4320-01-062-1352 INTERCHANGEABLE
Pump,reciprocating
5307-01-157-194312500 INTERCHANGEABLE
Stud,plain
Westerbeke Corporation
6530-01-208-491412500 INTERCHANGEABLE
Pad,pressure Point,physicotherap
Bio Clinic Corp
6625-01-255-3186 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
12500 PRIMARY Stanadyne Corporation Dba Stanadyne Diesel Systems (USA)
Related Parts
5133-00-232-8144INTERCHANGEABLE
DRILL,TWIST
5905-00-593-9411INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
580R378H10
1730-00-736-5796INTERCHANGEABLE
HOUSING,REDUCTION U
5950-00-759-1318INTERCHANGEABLE
REACTOR
12500
5310-00-830-7825INTERCHANGEABLE
WASHER,SHOULDERED
12500
3455-01-034-0355INTERCHANGEABLE
FILE,ROTARY
4320-01-062-1352INTERCHANGEABLE
PUMP,RECIPROCATING
5307-01-157-1943INTERCHANGEABLE
STUD,PLAIN
12500
6530-01-208-4914INTERCHANGEABLE
PAD,PRESSURE POINT,PHYSICOTHERAP
12500
6625-01-255-3186INTERCHANGEABLE
VOLTMETER
5330-01-257-4524INTERCHANGEABLE
PACKING ASSORTMENT,PREFORMED
12500
6140-01-329-6808INTERCHANGEABLE
BATTERY,STORAGE
BGN12-5000-1

Frequently Asked Questions

What is NSN 5970-01-335-4347?

NSN 5970-01-335-4347 is a Insulator,washer, manufactured by Stanadyne Corporation Dba Stanadyne Diesel Systems, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-335-4347?

NSN 5970-01-335-4347 has 1 cross-referenced part number: 12500 (Stanadyne Corporation Dba Stanadyne Diesel Systems).

What NSN replaces 5970-01-335-4347?

There are 12 known substitutes for 5970-01-335-4347: 5133-00-232-8144, 5905-00-593-9411, 1730-00-736-5796 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12500?

Key specifications for 12500: Overall Height: 0.085 INCHES NOMINAL IN; Outside Diameter: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Inside Diameter: 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN. 3 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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