PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P-3500Extensometer

Vishay Measurements Group Inc · NSN 6635-01-329-3011 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-329-3011 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-329-3011. Primary manufacturer part number: P-3500.
Features
  • Extensometer — FSC 6635
  • Functional Description: A PORTABLE, BATTERY OPERATED INSTRUMENT
  • Reference Data and Literature: VISHAY COMMERCIAL DATA
  • Mounting Method: BENCH
  • Scale Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: Vishay Measurements Group Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Extensometer, cataloged under National Stock Number 6635-01-329-3011, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Vishay Measurements Group Inc. Government technical data includes 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-329-3011
Primary Part NumberP-3500
Item NameExtensometer
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerVishay Measurements Group Inc
StatusACTIVE
Functional DescriptionA PORTABLE, BATTERY OPERATED INSTRUMENT
Reference Data and LiteratureVISHAY COMMERCIAL DATA
Mounting MethodBENCH
Scale Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-046-7127P3-500 INTERCHANGEABLE
Valve,bleeder,hydraulic System
Circor Aerospace, Inc. Dba Circor Aerospace Inc
2940-01-218-51892501048 INTERCHANGEABLE
Filter Element,fluid
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
P-3500 PRIMARY Vishay Measurements Group Inc (USA)
Related Parts
4820-01-046-7127INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
P3-500
2940-01-218-5189INTERCHANGEABLE
FILTER ELEMENT,FLUID
2501048

Frequently Asked Questions

What is NSN 6635-01-329-3011?

NSN 6635-01-329-3011 is a Extensometer, manufactured by Vishay Measurements Group Inc, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-329-3011?

NSN 6635-01-329-3011 has 1 cross-referenced part number: P-3500 (Vishay Measurements Group Inc).

What NSN replaces 6635-01-329-3011?

There are 2 known substitutes for 6635-01-329-3011: 4820-01-046-7127, 2940-01-218-5189. Verify interchangeability with system specifications before substitution.

What are the specifications of P-3500?

Key specifications for P-3500: End Item Identification: F-16N FIGHTER AIRCRAFT; Functional Description: A PORTABLE, BATTERY OPERATED INSTRUMENT; Part Name Assigned by Controlling Agency: PORTABLE STRAIN INDICATOR; Reference Data and Literature: VISHAY COMMERCIAL DATA. 7 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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