PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-H-865Holder,electrode,welding

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3439-00-266-9564 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-266-9564 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-266-9564. Primary manufacturer part number: MIL-H-865.
Features
  • Holder,electrode,welding — FSC 3439
  • Nondefinitive Spec/std Data: 1 CLASS AND 1 SIZE AND 1 TYPE
  • Insulation Degree: FULLY INSULATED
  • Submersibility: NONSUBMERSIBLE
  • Electrode Type for Which Designed: METALLIC FILLER
  • Electrode Diameter for Which Designed: 0.250 INCHES MAXIMUM IN
  • Operation Method: MANUAL
  • Operating Current in Amps: 300.000 MINIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Holder,electrode,welding, cataloged under National Stock Number 3439-00-266-9564, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-266-9564
Primary Part NumberMIL-H-865
Item NameHolder,electrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data1 CLASS AND 1 SIZE AND 1 TYPE
Insulation DegreeFULLY INSULATED
SubmersibilityNONSUBMERSIBLE
Electrode Type for Which DesignedMETALLIC FILLER
Electrode Diameter for Which Designed0.250 INCHES MAXIMUM IN
Operation MethodMANUAL
Operating Current in Amps300.000 MINIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3439-00-238-1638 INTERCHANGEABLE
Holder,electrode,welding
3439-00-266-9565 INTERCHANGEABLE
Holder,electrode,welding
3439-01-223-3938 INTERCHANGEABLE
Holder,electrode,welding
Cross-Reference Index
Part NumberManufacturer
MIL-H-865 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3439-00-238-1638INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING
3439-00-266-9565INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING
3439-01-223-3938INTERCHANGEABLE
HOLDER,ELECTRODE,WELDING

Frequently Asked Questions

What is NSN 3439-00-266-9564?

NSN 3439-00-266-9564 is a Holder,electrode,welding, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-266-9564?

NSN 3439-00-266-9564 has 1 cross-referenced part number: MIL-H-865 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-00-266-9564?

There are 3 known substitutes for 3439-00-266-9564: 3439-00-238-1638, 3439-00-266-9565, 3439-01-223-3938. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-H-865?

Key specifications for MIL-H-865: Nondefinitive Spec/std Data: 1 CLASS AND 1 SIZE AND 1 TYPE; Insulation Degree: FULLY INSULATED; Submersibility: NONSUBMERSIBLE; Electrode Type for Which Designed: METALLIC FILLER. 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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