NSN 3439-01-565-7675 · NIIN 015657675 · Part number S21979
Lincoln Electric Holdings Inc · FSC 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · FSG 34 — Metalworking Machinery (continued) · CAGE 36232
Government record, cited
NSN 3439-01-565-7675 — this item is cataloged by the U.S. Government under National Stock Number 3439-01-565-7675. Manufacturer of record part number: S21979.
Also searched as3439-01-565-7675 ·
3439015657675 ·
NIIN 015657675 ·
01-565-7675 ·
FSC 3439 Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories · CAGE 36232 · S21979
Nearby stock numbers← 3439-01-565-6663 Tip, Electric Soldering Iron
·
3439-01-566-0009 Feed, Arm, Upper →
Features
Plate,insulator Weldment — FSC 3439
General Characteristics Item Description: SHAPE OF ITEM IS BASICALLY RECTANGULAR
1 manufacturer part number on file
Manufacturer of record: Lincoln Electric Holdings Inc
Identification
NSN: 3439-01-565-7675
NIIN: 015657675
FSC: 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
FSG: 34 — Metalworking Machinery (continued)
Primary part number: S21979
Manufacturer: Lincoln Electric Holdings Inc
General Description
The Plate,insulator Weldment, cataloged under National Stock Number 3439-01-565-7675, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) 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
3439-01-565-7675
Primary Part Number
S21979
Item Name
Plate,insulator Weldment
FSC / FSG
3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Manufacturer
Lincoln Electric Holdings Inc
Status
ACTIVE
General Characteristics Item Description
SHAPE OF ITEM IS BASICALLY RECTANGULAR
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 3439 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3439-00-001-0002
3439-00-001-0002 · Item name not on file
3439-00-001-4196
3439-00-001-4196 · Item name not on file
3439-00-001-4197
3439-00-001-4197 · Item name not on file
3439-00-003-1195
3439-00-003-1195 · Item name not on file
3439-00-003-8601
SOLDER,LEAD ALLOY
3439-00-003-8602
SOLDER,LEAD-TIN ALLOY
3439-00-004-0913
HOUSING,ELECTRIC SO
3439-00-004-0915
SOLDERING GUN
Frequently Asked Questions
What is NSN 3439-01-565-7675?
NSN 3439-01-565-7675 is a Plate,insulator Weldment, manufactured by Lincoln Electric Holdings Inc, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
What part numbers are listed for NSN 3439-01-565-7675?
NSN 3439-01-565-7675 has 1 manufacturer part number on file: S21979 (Lincoln Electric Holdings Inc).
What are the specifications of S21979?
Key specifications for S21979: General Characteristics Item Description: SHAPE OF ITEM IS BASICALLY RECTANGULAR; Part Name Assigned by Controlling Agency: INSULATOR; End Item Identification: 3431-01-565-7649. 1 specification is documented in the U.S. Government catalog.
Is NSN 3439-01-565-7675 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.