PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SX-20Desoldering Tool,electric

Pace, Incorporated Dba Pace Worldwide Inc. · NSN 3439-01-135-8500 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-01-135-8500 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-135-8500. Primary manufacturer part number: SX-20.
Features
  • Desoldering Tool,electric — FSC 3439
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Pace, Incorporated Dba Pace Worldwide Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Desoldering Tool,electric, cataloged under National Stock Number 3439-01-135-8500, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Pace, Incorporated Dba Pace Worldwide Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-01-135-8500
Primary Part NumberSX-20
Item NameDesoldering Tool,electric
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerPace, Incorporated Dba Pace Worldwide Inc.
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5961-00-165-2602 INTERCHANGEABLE
Semiconductor Device,diode
5120-00-240-8705 INTERCHANGEABLE
Extension,socket Wrench
3439-01-182-4934 INTERCHANGEABLE
Desoldering Tool,electric
3439-01-184-5703 INTERCHANGEABLE
Desoldering Tool,electric
5805-01-196-0167SX-20 INTERCHANGEABLE
Switching System Ep
Mitel Corpadaptive Systems Div
5120-01-661-6292SX20 INTERCHANGEABLE
Extension,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
SX-20 Pace, Incorporated Dba Pace Worldwide Inc. (USA)
7010-0023 Pace, Incorporated Dba Pace Worldwide Inc. (USA)
Related Parts
5961-00-165-2602INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5120-00-240-8705INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
3439-01-182-4934INTERCHANGEABLE
DESOLDERING TOOL,ELECTRIC
3439-01-184-5703INTERCHANGEABLE
DESOLDERING TOOL,ELECTRIC
5805-01-196-0167INTERCHANGEABLE
SWITCHING SYSTEM EP
SX-20
5120-01-661-6292INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
SX20

Frequently Asked Questions

What is NSN 3439-01-135-8500?

NSN 3439-01-135-8500 is a Desoldering Tool,electric, manufactured by Pace, Incorporated Dba Pace Worldwide Inc., classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-01-135-8500?

NSN 3439-01-135-8500 has 2 cross-referenced part numbers: SX-20 (Pace, Incorporated Dba Pace Worldwide Inc.), 7010-0023 (Pace, Incorporated Dba Pace Worldwide Inc.).

What NSN replaces 3439-01-135-8500?

There are 6 known substitutes for 3439-01-135-8500: 5961-00-165-2602, 5120-00-240-8705, 3439-01-182-4934 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SX-20?

Key specifications for SX-20: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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