The Flux,soldering, cataloged under National Stock Number 3439-00-400-1972, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-400-1972 |
| Primary Part Number | TYPE RMA 4 OZ BT |
| Item Name | Flux,soldering |
| FSC / FSG | 3439 / 34 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Physical Form | LIQUID |
| Nondefinitive Spec/std Data | RMA TYPE |
| Specific Metal for Which Formulated | NOT FORMULATED FOR USE ON SPECIFIC METALS |
| Content Within Each Unit Package | 4 OZ OZ |
| Material for Which Formulated | LEAD TIN ALLOY |
| Environmental Protection | CORROSION RESISTANT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| TYPE RMA 4 OZ BT | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ALPHA 620F FLUS 4 OZ BT | Alpha Metals Inc Div Alpha Assembly Solutions Inc (USA) |
| ALPHA 611F FLUX 4 OZ BT | Alpha Metals Inc Div Alpha Assembly Solutions Inc (USA) |
| ASTM B32 | American Society for Testing and Materials Dba Astm International (USA) |
| INDALLOY 5-RMA 4 OZ BT | Indium Corp of America (USA) |
| 3439004001972 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| FORMULA 197 4 OZ BT | Kester Inc (USA) |
| 1235 4 OZ BT | Gardiner Metal Co (USA) |
| MIL-F-14256 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| FORMULA 196 4 OZ BT | Kester Inc (USA) |
| 1544 | Kester Inc (USA) |
| ALPHA 611F FLUX 4 OZ BT | Frys Metals Inc (USA) |
| ALPHA 620F FLUS 4 OZ BT | Frys Metals Inc (USA) |
| LONCO MIL-A-35-DA 4 OZ BT | Alpha Metals Inc (USA) |
| LONCO MIL-A-35-01 4 OZ BT | Alpha Metals Inc (USA) |
NSN 3439-00-400-1972 is a Flux,soldering, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3439 (No Item Name Available). Status: active.
NSN 3439-00-400-1972 has 15 cross-referenced part numbers: TYPE RMA 4 OZ BT (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ALPHA 620F FLUS 4 OZ BT (Alpha Metals Inc Div Alpha Assembly Solutions Inc), ALPHA 611F FLUX 4 OZ BT (Alpha Metals Inc Div Alpha Assembly Solutions Inc), ASTM B32 (American Society for Testing and Materials Dba Astm International), INDALLOY 5-RMA 4 OZ BT (Indium Corp of America) and 10 more.
There are 12 known substitutes for 3439-00-400-1972: 3439-00-009-8808, 3439-00-069-5815, 3439-00-145-9132 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for TYPE RMA 4 OZ BT: Physical Form: LIQUID; Nondefinitive Spec/std Data: RMA TYPE; Specific Metal for Which Formulated: NOT FORMULATED FOR USE ON SPECIFIC METALS; Content Within Each Unit Package: 4 OZ OZ. 6 total characteristics are documented in the Federal Logistics Information System.