PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3590Calibrator,digital

Epsilon Technology Corporation · NSN 6635-01-641-5452 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-641-5452 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-641-5452. Primary manufacturer part number: 3590.
Features
  • Calibrator,digital — FSC 6635
  • 1 verified cross-reference
  • Primary manufacturer: Epsilon Technology Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calibrator,digital, cataloged under National Stock Number 6635-01-641-5452, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Epsilon Technology Corporation. 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
NSN6635-01-641-5452
Primary Part Number3590
Item NameCalibrator,digital
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerEpsilon Technology Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6320-00-070-4544004458-050 INTERCHANGEABLE
Shield,loudspeaker
Dynalec Corporation
6105-00-432-73843590 INTERCHANGEABLE
Seal
Ametek Inc Lamb Electric Div
3030-00-528-4638 INTERCHANGEABLE
Belt,v
5340-00-805-80793590 INTERCHANGEABLE
Mount
Stewart Avionics Inc
6625-01-011-99373590 INTERCHANGEABLE
Test Set,electronic Systems
Edo Artisan Inc
6515-01-041-98383590 INTERCHANGEABLE
Bag,urine Collection
Davol Inc
1377-01-244-41173590 INTERCHANGEABLE
Initiator,cartridge Actuated
Rockwell Collins Inc
4820-01-305-97823590 INTERCHANGEABLE
Valve,angle
Hunt Valve Company, Inc.
6515-01-410-8195 INTERCHANGEABLE
Airway,pharyngeal
5120-01-431-2718 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
3590 PRIMARY Epsilon Technology Corporation (USA)
Related Parts
6320-00-070-4544INTERCHANGEABLE
SHIELD,LOUDSPEAKER
004458-050
6105-00-432-7384INTERCHANGEABLE
SEAL
3590
3030-00-528-4638INTERCHANGEABLE
BELT,V
5340-00-805-8079INTERCHANGEABLE
MOUNT
3590
6625-01-011-9937INTERCHANGEABLE
TEST SET,ELECTRONIC SYSTEMS
3590
6515-01-041-9838INTERCHANGEABLE
BAG,URINE COLLECTION
3590
1377-01-244-4117INTERCHANGEABLE
INITIATOR,CARTRIDGE ACTUATED
3590
4820-01-305-9782INTERCHANGEABLE
VALVE,ANGLE
3590
6515-01-410-8195INTERCHANGEABLE
AIRWAY,PHARYNGEAL
5120-01-431-2718INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6515-01-610-3360INTERCHANGEABLE
STETHOSCOPE,ELECTRONIC
7021-01-687-6089INTERCHANGEABLE
COMPUTER,DIGITAL,MISSION PLANNER

Frequently Asked Questions

What is NSN 6635-01-641-5452?

NSN 6635-01-641-5452 is a Calibrator,digital, manufactured by Epsilon Technology Corporation, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-641-5452?

NSN 6635-01-641-5452 has 1 cross-referenced part number: 3590 (Epsilon Technology Corporation).

What NSN replaces 6635-01-641-5452?

There are 12 known substitutes for 6635-01-641-5452: 6320-00-070-4544, 6105-00-432-7384, 3030-00-528-4638 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3590?

Key specifications for 3590: Special Features: WGHT 6 LBS, PWR SUP 2X SR44 BATTERIES INCLD. LBS; Part Name Assigned by Controlling Agency: CALIBRATOR, EXTENSOMETER. 2 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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