PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A632Electrode,welding

Airco Industrial Gases Div of Airco Inc · NSN 3439-01-012-6660 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-012-6660 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-012-6660. Primary manufacturer part number: A632.
Features
  • Electrode,welding — FSC 3439
  • Polarity Characteristic: REVERSE
  • Container Type: REEL
  • Flux Coating Type: SHIELDED ARC
  • Weld Position for Which Designed: HORIZONTAL
  • Material: STEEL FILLER
  • Filler Metal Chemical Composition in Percent: 1.550 MANGANESE NOMINAL AND 1.550 NICKEL NOMINAL AND 0.650 SILICON NOMINAL AND 0.600 MOLYBDENUM NOMINAL AND 0.200 VANADIUM NOMINAL AND 0.080 CARBON NOMINAL AND 0.025 PHOSPHOROUS NOMINAL AND 0.025 SULFUR NOMINAL SINGLE ELEMENT
  • Outside Diameter: 0.062 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Filler construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-01-012-6660, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Airco Industrial Gases Div of Airco Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, 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
NSN3439-01-012-6660
Primary Part NumberA632
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAirco Industrial Gases Div of Airco Inc
StatusACTIVE
Polarity CharacteristicREVERSE
Container TypeREEL
Flux Coating TypeSHIELDED ARC
Weld Position for Which DesignedHORIZONTAL
MaterialSTEEL FILLER
Filler Metal Chemical Composition in Percent1.550 MANGANESE NOMINAL AND 1.550 NICKEL NOMINAL AND 0.650 SILICON NOMINAL AND 0.600 MOLYBDENUM NOMINAL AND 0.200 VANADIUM NOMINAL AND 0.080 CARBON NOMINAL AND 0.025 PHOSPHOROUS NOMINAL AND 0.025 SULFUR NOMINAL SINGLE ELEMENT
Outside Diameter0.062 INCHES NOMINAL IN
Current TypeDC
Material Document and ClassificationMIL-E-23765/2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Quantity Within Each Unit Package35.0 POUNDS LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-235-4401 INTERCHANGEABLE
Electrode,welding
5306-00-273-6347 INTERCHANGEABLE
Bolt,machine
6625-00-668-6892A-632 INTERCHANGEABLE
Lead,test
Jetronic Industries, Inc. Dba Jetronic Industries, Inc. Div Contracts
4320-00-879-2611A632 INTERCHANGEABLE
Impeller,pump,centrifugal
Circor Naval Solutions Llc Dba Warren Pumps
6520-00-935-9877 INTERCHANGEABLE
Mandrel,dental Handpiece
3439-01-015-6834 INTERCHANGEABLE
Electrode,welding
3439-01-025-4138 INTERCHANGEABLE
Electrode,welding
3439-01-026-4001 INTERCHANGEABLE
Electrode,welding
3439-01-067-0694 INTERCHANGEABLE
Electrode,welding
3040-01-115-5990A6-32 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
A632 Airco Industrial Gases Div of Airco Inc (USA)
MIL-B88 0.062 35LB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-E-23765/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AIRCO A632 0.062 35LB Airco Welding Products Div of the Boc Group Inc (USA)
MIL-E-19822 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3439-00-235-4401INTERCHANGEABLE
ELECTRODE,WELDING
5306-00-273-6347INTERCHANGEABLE
BOLT,MACHINE
6625-00-668-6892INTERCHANGEABLE
LEAD,TEST
A-632
4320-00-879-2611INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
A632
6520-00-935-9877INTERCHANGEABLE
MANDREL,DENTAL HANDPIECE
3439-01-015-6834INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-025-4138INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-026-4001INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-067-0694INTERCHANGEABLE
ELECTRODE,WELDING
3040-01-115-5990INTERCHANGEABLE
SHAFT,STRAIGHT
A6-32
3439-01-176-8620INTERCHANGEABLE
ELECTRODE,WELDING
3439-01-389-8147INTERCHANGEABLE
ELECTRODE,WELDING

Frequently Asked Questions

What is NSN 3439-01-012-6660?

NSN 3439-01-012-6660 is a Electrode,welding, manufactured by Airco Industrial Gases Div of Airco Inc, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-012-6660?

NSN 3439-01-012-6660 has 5 cross-referenced part numbers: A632 (Airco Industrial Gases Div of Airco Inc), MIL-B88 0.062 35LB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-E-23765/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AIRCO A632 0.062 35LB (Airco Welding Products Div of the Boc Group Inc), MIL-E-19822 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 3439-01-012-6660?

There are 12 known substitutes for 3439-01-012-6660: 3439-00-235-4401, 5306-00-273-6347, 6625-00-668-6892 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A632?

Key specifications for A632: Polarity Characteristic: REVERSE; Container Type: REEL; Flux Coating Type: SHIELDED ARC; Weld Position for Which Designed: HORIZONTAL. 10 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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