PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HB28 .045Electrode,welding

Hobart Bros Co · NSN 3439-01-045-0481 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-045-0481 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-045-0481. Primary manufacturer part number: HB28 .045.
Features
  • Electrode,welding — FSC 3439
  • Shape: ROUND
  • Weld Position for Which Designed: HORIZONTAL
  • Flux Coating Type: SHIELDED ARC
  • Polarity Characteristic: REVERSE
  • Container Type: REEL
  • Material: STEEL FILLER
  • Material Document and Classification: AWSA5.18-79,CL E70S-6 ASSN STD SINGLE MATERIAL RESPONSE FILLER
Applications
  • Applications requiring Steel Filler construction
General Description

The Electrode,welding, cataloged under National Stock Number 3439-01-045-0481, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Hobart Bros Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 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
NSN3439-01-045-0481
Primary Part NumberHB28 .045
Item NameElectrode,welding
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerHobart Bros Co
StatusACTIVE
ShapeROUND
Weld Position for Which DesignedHORIZONTAL
Flux Coating TypeSHIELDED ARC
Polarity CharacteristicREVERSE
Container TypeREEL
MaterialSTEEL FILLER
Material Document and ClassificationAWSA5.18-79,CL E70S-6 ASSN STD SINGLE MATERIAL RESPONSE FILLER
Current TypeDC
Quantity Within Each Unit Package2.000 POUNDS LBS
Physical FormROLL
Outside Diameter0.045 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3439-00-204-3203 INTERCHANGEABLE
Rod,welding
5915-00-236-7824 INTERCHANGEABLE
Filter,radio Frequency Interfere
3020-00-240-19071378RL INTERCHANGEABLE
Link,roller Chain
Rexnord Holdings Inc
3439-00-372-4776AWSA5.18-79 E70S-3 0.045 12LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-00-593-2241AWSA5.18-79 E70S-3 0.035 2-1/2LB INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
9510-00-596-9107 INTERCHANGEABLE
Bar,metal
5360-00-969-0387A681 INTERCHANGEABLE
Spring,helical,compression
Crane Co Div Valve Div
3439-01-012-1003ER70S-3 INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
3439-01-017-2792 INTERCHANGEABLE
Rod,welding
3439-01-092-4596AWS A5.18-17ER70S-6 0.045 33LBSP INTERCHANGEABLE
Electrode,welding
American Welding Society, Inc.
Cross-Reference Index
Part NumberManufacturer
AWSA5.18-79 E70S-6 0.045 American Welding Society, Inc. (USA)
IMPERIAL 88 Midstates Wire (USA)
BH-28 0.045 Hobart Bros Co (USA)
AS-28 Page-Wilson Corp (USA)
A681 Airco Welding Products Div of the Boc Group Inc (USA)
AWS A5.18/A5.18M American Welding Society, Inc. (USA)
P-H CO-88 The Esab Group Inc. Dba Esab Welding & Cutting Products Div Esab Welding and Cutting (USA)
HB28 .045 PRIMARY Hobart Bros Co (USA)
28 Hobart Bros Co (USA)
Related Parts
3439-00-204-3203INTERCHANGEABLE
ROD,WELDING
5915-00-236-7824INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
3020-00-240-1907INTERCHANGEABLE
LINK,ROLLER CHAIN
1378RL
3439-00-372-4776INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 E70S-3 0.045 12LB
3439-00-593-2241INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 E70S-3 0.035 2-1/2LB
9510-00-596-9107INTERCHANGEABLE
BAR,METAL
5360-00-969-0387INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A681
3439-01-012-1003INTERCHANGEABLE
ELECTRODE,WELDING
ER70S-3
3439-01-017-2792INTERCHANGEABLE
ROD,WELDING
3439-01-092-4596INTERCHANGEABLE
ELECTRODE,WELDING
AWS A5.18-17ER70S-6 0.045 33LBSP
3439-01-122-1900INTERCHANGEABLE
ELECTRODE,WELDING
AWSA5.18-79 ER70S-4 0.035 12LB
3439-01-168-6208INTERCHANGEABLE
ELECTRODE,WELDING
HB-28 0.035 30LB

Frequently Asked Questions

What is NSN 3439-01-045-0481?

NSN 3439-01-045-0481 is a Electrode,welding, manufactured by Hobart Bros Co, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-045-0481?

NSN 3439-01-045-0481 has 9 cross-referenced part numbers: AWSA5.18-79 E70S-6 0.045 (American Welding Society, Inc.), IMPERIAL 88 (Midstates Wire), BH-28 0.045 (Hobart Bros Co), AS-28 (Page-Wilson Corp), A681 (Airco Welding Products Div of the Boc Group Inc) and 4 more.

What NSN replaces 3439-01-045-0481?

There are 12 known substitutes for 3439-01-045-0481: 3439-00-204-3203, 5915-00-236-7824, 3020-00-240-1907 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HB28 .045?

Key specifications for HB28 .045: Shape: ROUND; Weld Position for Which Designed: HORIZONTAL; Flux Coating Type: SHIELDED ARC; Polarity Characteristic: REVERSE. 12 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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