PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SL-2Welding Adaptor Kit

Conley and Kleppen Enterprises Northwest Welding Equipment Div · NSN 3439-01-291-1040 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-291-1040 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-291-1040. Primary manufacturer part number: SL-2.
Features
  • Welding Adaptor Kit — FSC 3439
  • General Characteristics Item Description: CONSISTS OF 1 BOOT,1 MALE CONNECTOR,1 RING NUT
  • 2 verified cross-references
  • Primary manufacturer: Conley and Kleppen Enterprises Northwest Welding Equipment Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Welding Adaptor Kit, cataloged under National Stock Number 3439-01-291-1040, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Conley and Kleppen Enterprises Northwest Welding Equipment Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-291-1040
Primary Part NumberSL-2
Item NameWelding Adaptor Kit
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerConley and Kleppen Enterprises Northwest Welding Equipment Div
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF 1 BOOT,1 MALE CONNECTOR,1 RING NUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5340-00-441-3140SL2 INTERCHANGEABLE
Catch,clamping
Simmons Fastener Corp an Amfast Corp
5130-00-473-6236 INTERCHANGEABLE
Wheel,abrasive
4930-01-036-0768HDL2 INTERCHANGEABLE
Oiler,self-Feeding
Ingersoll Rand Co
5999-01-038-66889998SL-2 INTERCHANGEABLE
Contact Kit,electrical
Schneider Electric Usa, Inc.
5340-01-090-6037SL-2 INTERCHANGEABLE
Bushing,stop
Souriau Usa, Inc. Dba Souriau Usa Inc
5975-01-282-6254 INTERCHANGEABLE
Locknut,electrical Conduit
7010-01-499-4445SL2 INTERCHANGEABLE
Computer System,digital
Omni Computer Services
1010-01-594-5858SL-2 INTERCHANGEABLE
Launcher,grenade
Sage Control Ordnance, Inc
Cross-Reference Index
Part NumberManufacturer
SL-2 Conley and Kleppen Enterprises Northwest Welding Equipment Div (USA)
SL-2 Redi-Crete Corp (USA)
Related Parts
5340-00-441-3140INTERCHANGEABLE
CATCH,CLAMPING
SL2
5130-00-473-6236INTERCHANGEABLE
WHEEL,ABRASIVE
4930-01-036-0768INTERCHANGEABLE
OILER,SELF-FEEDING
HDL2
5999-01-038-6688INTERCHANGEABLE
CONTACT KIT,ELECTRICAL
9998SL-2
5340-01-090-6037INTERCHANGEABLE
BUSHING,STOP
SL-2
5975-01-282-6254INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
7010-01-499-4445INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
SL2
1010-01-594-5858INTERCHANGEABLE
LAUNCHER,GRENADE
SL-2

Frequently Asked Questions

What is NSN 3439-01-291-1040?

NSN 3439-01-291-1040 is a Welding Adaptor Kit, manufactured by Conley and Kleppen Enterprises Northwest Welding Equipment Div, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-291-1040?

NSN 3439-01-291-1040 has 2 cross-referenced part numbers: SL-2 (Conley and Kleppen Enterprises Northwest Welding Equipment Div), SL-2 (Redi-Crete Corp).

What NSN replaces 3439-01-291-1040?

There are 8 known substitutes for 3439-01-291-1040: 5340-00-441-3140, 5130-00-473-6236, 4930-01-036-0768 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SL-2?

Key specifications for SL-2: General Characteristics Item Description: CONSISTS OF 1 BOOT,1 MALE CONNECTOR,1 RING NUT. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com