PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

3132Brazing Alloy,copper

Alter Harry Co the Div of T E C · NSN 3439-00-188-6982 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-188-6982 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-188-6982. Primary manufacturer part number: 3132.
Features
  • Brazing Alloy,copper — FSC 3439
  • Flux Feature: NOT INCLUDED
  • Precious Material: SILVER
  • Nondefinitive Spec/std Data: BCUP-5 CLASS
  • Precious Material and Location: ROD SILVER
  • Content Within Each Unit Package: CONTENT WITHIN EACH UNIT PACKAGE 1 LB NOMINAL. LBS
  • Precious Material and Weight: 0.075 SILVER OUNCES, TROY
  • Chemical Composition Percentage: COPPER 79.15; SILVER 15.5; PHOSPHORUS 5.2; OTHERS 0.15
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brazing Alloy,copper, cataloged under National Stock Number 3439-00-188-6982, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Alter Harry Co the Div of T E C. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3439-00-188-6982
Primary Part Number3132
Item NameBrazing Alloy,copper
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerAlter Harry Co the Div of T E C
StatusCANCELLED
Flux FeatureNOT INCLUDED
Precious MaterialSILVER
Nondefinitive Spec/std DataBCUP-5 CLASS
Precious Material and LocationROD SILVER
Content Within Each Unit PackageCONTENT WITHIN EACH UNIT PACKAGE 1 LB NOMINAL. LBS
Precious Material and Weight0.075 SILVER OUNCES, TROY
Chemical Composition PercentageCOPPER 79.15; SILVER 15.5; PHOSPHORUS 5.2; OTHERS 0.15
Content Within Each Unit PackageCONTENT WITHIN EACH UNIT PACKAGE 1 LB NOMINAL. LBS
Precious MaterialSILVER
Precious Material and LocationROD SILVER
Physical FormROD
Chemical Composition PercentageCOPPER 79.15; SILVER 15.5; PHOSPHORUS 5.2; OTHERS 0.15
Nondefinitive Spec/std DataBCUP-5 CLASS
Length18.000 INCHES NOMINAL IN
Precious Material and Weight0.075 SILVER OUNCES, TROY
Width0.125 INCHES NOMINAL IN
Thickness0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3439-00-052-1899AWSA5.8-92 BCUP-5-0.063 INTERCHANGEABLE
Brazing Alloy,silver
American Welding Society, Inc.
3439-00-188-6983 INTERCHANGEABLE
Brazing Alloy,copper
3439-00-204-2555 INTERCHANGEABLE
Brazing Alloy,copper
3439-00-224-3580AWSA5.8-92 BCUP-5 INTERCHANGEABLE
Brazing Alloy,silver
American Welding Society, Inc.
3439-00-262-4174 INTERCHANGEABLE
Brazing Alloy,copper
3439-00-262-4203 INTERCHANGEABLE
Brazing Alloy,copper
3439-00-262-4210AWSA5.8-92 BCUP-2-0.063 INTERCHANGEABLE
Brazing Alloy,copper
American Welding Society, Inc.
3439-00-262-4211AWSA5.8-92 INTERCHANGEABLE
Brazing Alloy,copper
American Welding Society, Inc.
3439-00-262-4212AWSA5.8-92 BCUP-2-0.125 INTERCHANGEABLE
Brazing Alloy,copper
American Welding Society, Inc.
3439-00-411-2338 INTERCHANGEABLE
Brazing Alloy,silver
Cross-Reference Index
Part NumberManufacturer
AWS A5.8 American Welding Society, Inc. (USA)
3132 PRIMARY Alter Harry Co the Div of T E C (USA)
QQB650 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AWSA5.8-92 BCUP-5-0.050 American Welding Society, Inc. (USA)
Related Parts
3439-00-052-1899INTERCHANGEABLE
BRAZING ALLOY,SILVER
AWSA5.8-92 BCUP-5-0.063
3439-00-188-6983INTERCHANGEABLE
BRAZING ALLOY,COPPER
3439-00-204-2555INTERCHANGEABLE
BRAZING ALLOY,COPPER
3439-00-224-3580INTERCHANGEABLE
BRAZING ALLOY,SILVER
AWSA5.8-92 BCUP-5
3439-00-262-4174INTERCHANGEABLE
BRAZING ALLOY,COPPER
3439-00-262-4203INTERCHANGEABLE
BRAZING ALLOY,COPPER
3439-00-262-4210INTERCHANGEABLE
BRAZING ALLOY,COPPER
AWSA5.8-92 BCUP-2-0.063
3439-00-262-4211INTERCHANGEABLE
BRAZING ALLOY,COPPER
AWSA5.8-92
3439-00-262-4212INTERCHANGEABLE
BRAZING ALLOY,COPPER
AWSA5.8-92 BCUP-2-0.125
3439-00-411-2338INTERCHANGEABLE
BRAZING ALLOY,SILVER
3439-01-268-0532INTERCHANGEABLE
BRAZING ALLOY,SILVER
AWSA5.8-92 BCUP-3

Frequently Asked Questions

What is NSN 3439-00-188-6982?

NSN 3439-00-188-6982 is a Brazing Alloy,copper, manufactured by Alter Harry Co the Div of T E C, classified under FSC 3439 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3439-00-188-6982?

NSN 3439-00-188-6982 has 4 cross-referenced part numbers: AWS A5.8 (American Welding Society, Inc.), 3132 (Alter Harry Co the Div of T E C), QQB650 (Federal Specifications Promulgated by General Services Administration Washington DC), AWSA5.8-92 BCUP-5-0.050 (American Welding Society, Inc.).

What NSN replaces 3439-00-188-6982?

There are 11 known substitutes for 3439-00-188-6982: 3439-00-052-1899, 3439-00-188-6983, 3439-00-204-2555 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3132?

Key specifications for 3132: Flux Feature: NOT INCLUDED; Precious Material: SILVER; Nondefinitive Spec/std Data: BCUP-5 CLASS; Precious Material and Location: ROD SILVER. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3439-00-188-6982 still in active supply?

NSN 3439-00-188-6982 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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