Model: QQ-S-571

Lead-tin Alloy Solder

Properties:

Physical Form
Wire
Chemical Composition Percentage
Tin 0.75 to 1.25; antimony 0.40; bismuth 0.25; silver 1.30 to 1.70; copper 0.30; iron 0.02; zinc 0.005; aluminum 0.005; arsenic 0.02; lead remainder
Wire Core Type
Rosin
Precious Material And Location
Integral silver
Specification Data
81348-qq-s-571 government specification
Nondefinitive Specification/std Data
Ag1.5 composition and w form and ra type and d3 condition
NSN
3439-01-260-0883
Part Number
QQ-S-571
Description
Solder,lead-tin Alloy
CAGE
81348

A solder whose main ingredients are lead and tin in nominally equal proportions. It is supplied in form of wire, bar and strip.

Part QQ-S-571 NSN 3439-01-260-0883

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04986
FIIG:
T166-C
Concept No.:
1
App. Key:
CA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
S
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8515904000
  • SITC: 73739
  • End Use: Metalworking machine tools
  • NAICS: 333992
  • USDA: 1

Freight Class: Brazing and soldering equipment parts; parts of hot spraying equipment

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