PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46S670Brazing Alloy,silver

Naval Sea Systems Command · NSN 3439-00-270-3771 · FSC 3439 · No Item Name Available
Verified by PartsTable
NSN 3439-00-270-3771 — this item is cataloged by the U.S. Government under National Stock Number 3439-00-270-3771. Primary manufacturer part number: 46S670.
Features
  • Brazing Alloy,silver — FSC 3439
  • Thickness: 0.010 INCHES NOMINAL IN
  • Precious Material and Location: INTEGRAL SILVER
  • Nondefinitive Spec/std Data: G,AG BASE CLASS
  • Precious Material and Weight: 0.610 SILVER OUNCES, TROY
  • Chemical Composition Percentage: SILVER 61; COPPER 26; ZINC 17
  • Precious Material: SILVER
  • Flux Feature: NOT INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Brazing Alloy,silver, cataloged under National Stock Number 3439-00-270-3771, is classified within Federal Supply Class 3439 (No Item Name Available) of the Metalworking Machinery (continued) group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3439-00-270-3771
Primary Part Number46S670
Item NameBrazing Alloy,silver
FSC / FSG3439 / 34 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Thickness0.010 INCHES NOMINAL IN
Precious Material and LocationINTEGRAL SILVER
Nondefinitive Spec/std DataG,AG BASE CLASS
Precious Material and Weight0.610 SILVER OUNCES, TROY
Chemical Composition PercentageSILVER 61; COPPER 26; ZINC 17
Precious MaterialSILVER
Flux FeatureNOT INCLUDED
Length3.438 INCHES NOMINAL IN
Physical FormSTRIP
Width1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-032112601853 INTERCHANGEABLE
Cup,tapered Roller Bearing
U S Army Tank Automotive Command Amsta-Im-Mm
2910-00-218-1323 INTERCHANGEABLE
Pump,fuel
4130-00-276-04039803 INTERCHANGEABLE
Filter Element,air Conditioning
Research Products Corp
4130-00-289-8221124811-1 INTERCHANGEABLE
Filter Element,air Conditioning
Falls Filtration Technologies, Inc.
5935-00-402-7184 INTERCHANGEABLE
Connector,plug,electrical
4920-00-494-88909803 INTERCHANGEABLE
Indicator,unit Assy
Daytronic Corporation
4820-00-528-2356 INTERCHANGEABLE
Valve,check
5950-00-660-4871292-5016G1 INTERCHANGEABLE
Transformer,power
Raytheon Company Div Corp
5930-00-727-4392 INTERCHANGEABLE
Switch,toggle
5120-00-789-01219803 INTERCHANGEABLE
Wrench,spanner
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
9803 Marshall-Swartchild Co (USA)
46S670 PRIMARY Naval Sea Systems Command (USA)
46S670 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
3110-00-100-0321INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12601853
2910-00-218-1323INTERCHANGEABLE
PUMP,FUEL
4130-00-276-0403INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
9803
4130-00-289-8221INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
124811-1
5935-00-402-7184INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4920-00-494-8890INTERCHANGEABLE
INDICATOR,UNIT ASSY
9803
4820-00-528-2356INTERCHANGEABLE
VALVE,CHECK
5950-00-660-4871INTERCHANGEABLE
TRANSFORMER,POWER
292-5016G1
5930-00-727-4392INTERCHANGEABLE
SWITCH,TOGGLE
5120-00-789-0121INTERCHANGEABLE
WRENCH,SPANNER
9803
6515-01-228-5849INTERCHANGEABLE
TUBE,CONNECTING,CONDOM CATHETER
9803
4920-01-304-2145INTERCHANGEABLE
INDICATOR,UNIT ASSEMBLY

Frequently Asked Questions

What is NSN 3439-00-270-3771?

NSN 3439-00-270-3771 is a Brazing Alloy,silver, manufactured by Naval Sea Systems Command, classified under FSC 3439 (No Item Name Available). Status: active.

What are the part numbers for NSN 3439-00-270-3771?

NSN 3439-00-270-3771 has 3 cross-referenced part numbers: 9803 (Marshall-Swartchild Co), 46S670 (Naval Sea Systems Command), 46S670 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3439-00-270-3771?

There are 12 known substitutes for 3439-00-270-3771: 3110-00-100-0321, 2910-00-218-1323, 4130-00-276-0403 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 46S670?

Key specifications for 46S670: Thickness: 0.010 INCHES NOMINAL IN; Precious Material and Location: INTEGRAL SILVER; Nondefinitive Spec/std Data: G,AG BASE CLASS; Precious Material and Weight: 0.610 SILVER OUNCES, TROY. 10 total characteristics are documented in the Federal Logistics Information System.

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