PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

621-0158Tip,welding Torch

M K Products Inc · NSN 3433-01-503-1219 · FSC 3433 · No Item Name Available
Verified by PartsTable
NSN 3433-01-503-1219 — this item is cataloged by the U.S. Government under National Stock Number 3433-01-503-1219. Primary manufacturer part number: 621-0158.
Features
  • Tip,welding Torch — FSC 3433
  • 1 verified cross-reference
  • Primary manufacturer: M K Products Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Tip,welding Torch, cataloged under National Stock Number 3433-01-503-1219, is classified within Federal Supply Class 3433 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is M K Products Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3433-01-503-1219
Primary Part Number621-0158
Item NameTip,welding Torch
FSC / FSG3433 / 34 — No Item Name Available
ManufacturerM K Products Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6685-00-580-9651 INTERCHANGEABLE
Transmitter,temperature,electric
Cross-Reference Index
Part NumberManufacturer
621-0158 PRIMARY M K Products Inc (USA)
Related Parts
6685-00-580-9651INTERCHANGEABLE
TRANSMITTER,TEMPERATURE,ELECTRIC

Frequently Asked Questions

What is NSN 3433-01-503-1219?

NSN 3433-01-503-1219 is a Tip,welding Torch, manufactured by M K Products Inc, classified under FSC 3433 (No Item Name Available). Status: active.

What are the part numbers for NSN 3433-01-503-1219?

NSN 3433-01-503-1219 has 1 cross-referenced part number: 621-0158 (M K Products Inc).

What NSN replaces 3433-01-503-1219?

There is 1 known substitute for 3433-01-503-1219: 6685-00-580-9651. Verify interchangeability with system specifications before substitution.

What are the specifications of 621-0158?

Key specifications for 621-0158: Special Features: TIP .030 WIRE. 1 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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