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Lead-tin Alloy Solder

NSN: 3439-00-172-7781 | Model: QQS571

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

NSN Properties and Flags
NATO Stock Number
3439-00-172-7781
DEMIL
NO
Diameter
0.015 inches
Physical Form
Wire
Chemical Composition Percentage
Tin 62.5 to 63.5; antinony 0.20 to 0.50; bismuth 0.25 max; copper 0.08max; others 0.08 max; arsenic 0.03 max; iron 0.02 max; aluminum 0.005 max; zinc 0.005 max; lead remainder
Content Within Each Unit Package
1 lb
Wire Core Type
Solid
Nondefinitive Specification/std Data
Sn63ws type

Pricing and Availability

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NSN 3439-00-172-7781 Datasheet

Supply Class (FSC):
Brazing Supplies And Accessories Soldering Miscellaneous Welding
Cross Reference:
  • QQS571
Cage Codes:
  • Federal Specifications (CAGE 81348)
Schedule B & Trade:
  • Schedule B: 8515904000 (NAICS 333992)

    Brazing and soldering equipment parts; parts of hot spraying equipment

  • SITC: 73739

    Parts for electric laser, other light or photon beam, ultrasonic etc. Soldering, brazing or welding machines and apparatus for hot metal etc. Spraying

  • End Use: 21120

    Metalworking machine tools

Identification:
HMIC

Y - Indicates information is in the hazardous materials information resource system (hmirs).

PMIC

U - Precious metal content is unknown

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    136440 - Solder noi o/t w/gold etc

  • WCC:

    746 - Welding equipment and soldering supplies

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    L
  • Quantity per pack
    1
  • Unit of Measure
    Lb
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Lp9---n
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $254.42 to $424.04..
Does NSN 3439-00-172-7781 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, and Brazil
What is the NIIN of NSN 3439-00-172-7781?
001727781 or 00-172-7781
Does NSN 3439-00-172-7781 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3439-00-172-7781?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Nov 26, 1971
MSDS

Material Safety

MSDS BDFKL TYPE 361A-20R SOLDER

Hazards

Effects of overexposure: flux: can cause irritation of skin & mucous
membrane.

First Aid

First aid: remove victim from contaminated area & keep ewarm & quiet in
fresh air.

Chemical Properties

Hcc: n1
appearance and odor: alloy: dull silver. Flux: amber. Wire w/rosin core.

Reactivity

Stability indicator/materials to avoid: yes
strong oxidizers
hazardous decomposition products: may evolve acids,halogens,amines.

Proper Disposal

Waste disposal methods: in accordance with local,state & federal
regulations.

disclaimer (provided with this information by the compiling agencies):
this information is formulated for use by elements of the department
of defense. the united states of america in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.

Ingredients List

Ingred name: tin
cas: 7440-31-5
rtecs #: xp7320000
fraction by wt: 63%
osha pel: 2 mg/m3
acgih tlv: 2 mg/m3; 9192

ingred name: lead (sara iii)
cas: 7439-92-1
rtecs #: of7525000
fraction by wt: 36.6%
osha pel: 0.05 mg/m3;1910.1025
acgih tlv: 0.15 mg/m3;dust 9192
epa rpt qty: 1 lb
dot rpt qty: 1 lb

ingred name: antimony (sara iii)
cas: 7440-36-0
rtecs #: cc4025000
fraction by wt: 0.35%
osha pel: 0.5 mg/m3
acgih tlv: 0.5 mg sb/m3; 9192
epa rpt qty: 5000 lbs
dot rpt qty: 5000 lbs

ingred name: rosin (core flux)
fraction by wt: 3.4%

ingred name: aliphatic alcohol
fraction by wt: 0.18%