The Desoldering Wick, cataloged under National Stock Number 3439-01-261-5835, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-261-5835 |
| Item Name | Desoldering Wick |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Status | ACTIVE |
| General Characteristics Item Description | UNTINNED COPPER BRAID; 0.050 IN. W; SMALL APPLICATION; COMES IN A 500 FT LENGTH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 40-2-500 | 3/9 Design control — primary reference Illinois Tool Works Inc. Div Itw Chemtronics |
| 40-2-500 | 5/9 Secondary reference Chemtronics Inc |
NSN 3439-01-261-5835 is a Desoldering Wick, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 2520-01-352-6142, 6515-01-570-3667. Verify interchangeability with system specifications before substitution.
Key specifications for 3439-01-261-5835: General Characteristics Item Description: UNTINNED COPPER BRAID; 0.050 IN. W; SMALL APPLICATION; COMES IN A 500 FT LENGTH IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.