NSN 3431-01-452-5812 · NIIN 014525812 · Part number K938-1
Lincoln Electric Holdings Inc · FSC 3431 — Electric Arc Welding Equipment · FSG 34 — Metalworking Machinery (continued) · CAGE 36232
Government record, cited
NSN 3431-01-452-5812 — this item is cataloged by the U.S. Government under National Stock Number 3431-01-452-5812. Manufacturer of record part number: K938-1.
Also searched as3431-01-452-5812 ·
3431014525812 ·
NIIN 014525812 ·
01-452-5812 ·
FSC 3431 Electric Arc Welding Equipment · CAGE 36232 · K938-1
Nearby stock numbers← 3431-01-452-5811 Wire Feed Drive Roll and Guide T
·
3431-01-452-5813 Capacitor Rf Bypass →
Features
Contactor Kit — FSC 3431
General Characteristics Item Description: REQUIRED WHEN POWER SOURCE DOES NOT HAVE A BUILT-IN CONTACTOR FOR CONSTANT CURRENT (STICK/TIG) WELDING
1 manufacturer part number on file
Manufacturer of record: Lincoln Electric Holdings Inc
Identification
NSN: 3431-01-452-5812
NIIN: 014525812
FSC: 3431 — Electric Arc Welding Equipment
FSG: 34 — Metalworking Machinery (continued)
Primary part number: K938-1
Manufacturer: Lincoln Electric Holdings Inc
General Description
The Contactor Kit, cataloged under National Stock Number 3431-01-452-5812, is classified within Federal Supply Class 3431 (Electric Arc Welding Equipment) of the Metalworking Machinery (continued) group. The manufacturer of record is Lincoln Electric Holdings Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3431-01-452-5812
Primary Part Number
K938-1
Item Name
Contactor Kit
FSC / FSG
3431 / 34 — Electric Arc Welding Equipment
Manufacturer
Lincoln Electric Holdings Inc
Status
ACTIVE
General Characteristics Item Description
REQUIRED WHEN POWER SOURCE DOES NOT HAVE A BUILT-IN CONTACTOR FOR CONSTANT CURRENT (STICK/TIG) WELDING
Other items in FSC 3431 — Electric Arc Welding Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3431-00-008-9353
3431-00-008-9353 · Item name not on file
3431-00-010-5596
LINER,NITROGEN CONDUIT
3431-00-010-5597
LINER,NITROGEN COND
3431-00-010-5599
3431-00-010-5599 · Item name not on file
3431-00-012-4357
3431-00-012-4357 · Item name not on file
3431-00-012-4360
3431-00-012-4360 · Item name not on file
3431-00-012-4362
SPARK GAP ASSEMBLY
3431-00-015-2564
PANEL,POWER,ALTERNATE
Related Parts in Metalworking Machinery (continued)
3431-00-008-9353
3431-00-008-9353 · Item name not on file
3431-00-010-5596
LINER,NITROGEN CONDUIT
3431-00-010-5597
LINER,NITROGEN COND
42V75-1-16WISZ
3431-00-010-5599
3431-00-010-5599 · Item name not on file
3431-00-012-4357
3431-00-012-4357 · Item name not on file
3431-00-012-4360
3431-00-012-4360 · Item name not on file
3431-00-012-4362
SPARK GAP ASSEMBLY
001159-79
3431-00-015-2564
PANEL,POWER,ALTERNATE
038-605
Frequently Asked Questions
What is NSN 3431-01-452-5812?
NSN 3431-01-452-5812 is a Contactor Kit, manufactured by Lincoln Electric Holdings Inc, classified under FSC 3431, Electric Arc Welding Equipment. Status: active.
What part numbers are listed for NSN 3431-01-452-5812?
NSN 3431-01-452-5812 has 1 manufacturer part number on file: K938-1 (Lincoln Electric Holdings Inc).
What are the specifications of K938-1?
Key specifications for K938-1: General Characteristics Item Description: REQUIRED WHEN POWER SOURCE DOES NOT HAVE A BUILT-IN CONTACTOR FOR CONSTANT CURRENT (STICK/TIG) WELDING; End Item Identification: LINCOLN TIG MODULE, K930-1. 1 specification is documented in the U.S. Government catalog.
Is NSN 3431-01-452-5812 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.