The Solder,lead-Tin Alloy, cataloged under National Stock Number 3439-00-273-1637, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is American Society for Testing and Materials Dba Astm International. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3439-00-273-1637 |
| Primary Part Number | SN50WS 0.125 5LB |
| Item Name | Solder,lead-Tin Alloy |
| FSC / FSG | 3439 / 34 — No Item Name Available |
| Manufacturer | American Society for Testing and Materials Dba Astm International |
| Status | CANCELLED |
| Chemical Composition Percentage | TIN 51.5; LEAD 47.535; ANTIMONY 0.05; BISMUTH 0.25; COPPER 0.08; OTHERS 0.08; ARSENIC 0.025; IRON 0.02; ALUMINUM 0.005; ZINC 0.005 |
| Content Within Each Unit Package | 5 LB LBS |
| Physical Form | WIRE |
| Wire Core Type | SOLID |
| Diameter | 0.125 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SN50WS 0.125 5LB PRIMARY | American Society for Testing and Materials Dba Astm International (USA) |
| SN50WS 0.125 5LB | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| QQ-S-571 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASTM B32 | American Society for Testing and Materials Dba Astm International (USA) |
| SN50PB50WS 0.125 5LB | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| ASTM B32.94 | American Society for Testing and Materials Dba Astm International (USA) |
NSN 3439-00-273-1637 is a Solder,lead-Tin Alloy, manufactured by American Society for Testing and Materials Dba Astm International, classified under FSC 3439 (No Item Name Available). Status: cancelled.
NSN 3439-00-273-1637 has 6 cross-referenced part numbers: SN50WS 0.125 5LB (American Society for Testing and Materials Dba Astm International), SN50WS 0.125 5LB (Federal Specifications Promulgated by General Services Administration Washington DC), QQ-S-571 (Federal Specifications Promulgated by General Services Administration Washington DC), ASTM B32 (American Society for Testing and Materials Dba Astm International), SN50PB50WS 0.125 5LB (Federal Specifications Promulgated by General Services Administration Washington DC) and 1 more.
There are 12 known substitutes for 3439-00-273-1637: 3439-00-105-9134, 3439-00-163-4348, 3439-00-224-3567 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SN50WS 0.125 5LB: Chemical Composition Percentage: TIN 51.5; LEAD 47.535; ANTIMONY 0.05; BISMUTH 0.25; COPPER 0.08; OTHERS 0.08; ARSENIC 0.025; IRON 0.02; ALUMINUM 0.005; ZINC 0.005; Content Within Each Unit Package: 5 LB LBS; Physical Form: WIRE; Wire Core Type: SOLID. 5 total characteristics are documented in the Federal Logistics Information System.
NSN 3439-00-273-1637 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.