PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51FHeat Sink,soldering Aid

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 3439-00-856-9497 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-856-9497 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-856-9497. Primary manufacturer part number: 51F.
Features
  • Heat Sink,soldering Aid — FSC 3439
  • Material: COPPER ALLOY
  • 2 verified cross-references
  • Primary manufacturer: Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
Applications
  • Applications requiring Copper Alloy construction
General Description

The Heat Sink,soldering Aid, cataloged under National Stock Number 3439-00-856-9497, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-856-9497
Primary Part Number51F
Item NameHeat Sink,soldering Aid
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6685-00-257-1568 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-257-1571 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-526-8483 INTERCHANGEABLE
Gage,pressure,dial Indicating
5940-00-636-60251382B INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
6685-00-807-5952 INTERCHANGEABLE
Gage,pressure,dial Indicating
4730-00-905-1944 INTERCHANGEABLE
Tee,pipe to Tube
6695-01-108-2409 INTERCHANGEABLE
Gage,altitude and Pressure,dial
Cross-Reference Index
Part NumberManufacturer
51F Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
51F Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
6685-00-257-1568INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-257-1571INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-526-8483INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
5940-00-636-6025INTERCHANGEABLE
TERMINAL BOARD
1382B
6685-00-807-5952INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4730-00-905-1944INTERCHANGEABLE
TEE,PIPE TO TUBE
6695-01-108-2409INTERCHANGEABLE
GAGE,ALTITUDE AND PRESSURE,DIAL

Frequently Asked Questions

What is NSN 3439-00-856-9497?

NSN 3439-00-856-9497 is a Heat Sink,soldering Aid, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-856-9497?

NSN 3439-00-856-9497 has 2 cross-referenced part numbers: 51F (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 51F (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 3439-00-856-9497?

There are 7 known substitutes for 3439-00-856-9497: 6685-00-257-1568, 6685-00-257-1571, 6685-00-526-8483 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51F?

Key specifications for 51F: Material: COPPER ALLOY; Special Features: MEDIUM DUTY UNIT; MADE FROM BERYLCO 10; PLATED; PLASTIC COATED HANDLES. 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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