The Tweezer,resistance Soldering, cataloged under National Stock Number 3439-01-028-7145, 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 Assembly Technologies International 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-01-028-7145 |
| Primary Part Number | 105133 |
| Item Name | Tweezer,resistance Soldering |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Assembly Technologies International Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | TWEEZER TYPE HAND PIECE FOR SOLDERING 22 GUAGE WIRE AND FINER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 105133 PRIMARY | Assembly Technologies International Inc. (USA) |
NSN 3439-01-028-7145 is a Tweezer,resistance Soldering, manufactured by Assembly Technologies International Inc., classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-01-028-7145 has 1 manufacturer part number on file: 105133 (Assembly Technologies International Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-036-5993. Verify interchangeability with system specifications before substitution.
Key specifications for 105133: General Characteristics Item Description: TWEEZER TYPE HAND PIECE FOR SOLDERING 22 GUAGE WIRE AND FINER. 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.