PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21078Probe-Lead Assembly,test

Viavi Solutionsllc · NSN 6625-01-414-3780 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-414-3780 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-414-3780. Primary manufacturer part number: 21078.
Features
  • Probe-Lead Assembly,test — FSC 6625
  • 2 verified cross-references
  • Primary manufacturer: Viavi Solutionsllc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Probe-Lead Assembly,test, cataloged under National Stock Number 6625-01-414-3780, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Viavi Solutionsllc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-414-3780
Primary Part Number21078
Item NameProbe-Lead Assembly,test
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerViavi Solutionsllc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZN
Weight0.3000 lbs
Cube0.0174 cu ft
Verified Substitutes 10
5999-00-990-4754SM-B-207040 SUCCESSOR
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-100-0632152C71 INTERCHANGEABLE
Cup,tapered Roller Bearing
Harbormaster Marine, Inc
5905-00-919-86132100-0059 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
5998-01-131-465621078 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5905-01-307-2852 INTERCHANGEABLE
Resistor,fixed,wire Wound
4820-01-436-014821081-1001-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-436-015621081-850-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4810-01-436-289421081-1005-1 INTERCHANGEABLE
Piston,valve
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5340-01-442-6176210-78 INTERCHANGEABLE
Handle,manual Control
Columbus Jack Corporation Div Columbus Jack
4820-01-469-154321078-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
2128-7801-700 Viavi Solutionsllc (USA)
21078 PRIMARY Viavi Solutionsllc (USA)
Related Parts
5999-00-990-4754SUCCESSOR
CONTACT,ELECTRICAL
SM-B-207040
3110-00-100-0632INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
152C71
5905-00-919-8613INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
2100-0059
5998-01-131-4656INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21078
5905-01-307-2852INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4820-01-436-0148INTERCHANGEABLE
PISTON,VALVE
21081-1001-1
4820-01-436-0156INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21081-850-1
4810-01-436-2894INTERCHANGEABLE
PISTON,VALVE
21081-1005-1
5340-01-442-6176INTERCHANGEABLE
HANDLE,MANUAL CONTROL
210-78
4820-01-469-1543INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21078-001

Frequently Asked Questions

What is NSN 6625-01-414-3780?

NSN 6625-01-414-3780 is a Probe-Lead Assembly,test, manufactured by Viavi Solutionsllc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-414-3780?

NSN 6625-01-414-3780 has 2 cross-referenced part numbers: 2128-7801-700 (Viavi Solutionsllc), 21078 (Viavi Solutionsllc).

What NSN replaces 6625-01-414-3780?

There are 10 known substitutes for 6625-01-414-3780: 5999-00-990-4754, 3110-00-100-0632, 5905-00-919-8613 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21078?

Key specifications for 21078: Overall Length: 5.840 INCHES NOMINAL IN; Overall Length: 5.840 INCHES NOMINAL IN. 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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