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Vehicular Clutch Disk

NSN: 2520-00-738-8729 | Model: PC-1822

A solid circular disk of wire-woven lining material or ceramic and metal substance and the like, molded to one or both sides and fastened directly or indirectly to the center spline or hub, which receives and transmits motion or power by engagement with the pressure plate assembly and the flywheel or the like. Includes dry or wet type disk, and may include damper springs. This item is designed to be used on tanks, automobiles, construction equipment, and the like in conjunction with a clutch assembly, friction.

NSN Properties and Flags
NATO Stock Number
2520-00-738-8729
DEMIL
NO
Outside Diameter
14.312 inches
Thickness
0.085 inches
Material Thickness
0.053 inches
Design Type
Wet
Material Location
Both sides
Tooth Arrangement
Continuous
Design Form
Solid
Disk Type
External teeth
Material Outside Diameter
14.312 inches
Material Inside Diameter
11.500 inches
Facing Attachment Method
Bonded
Teeth Quantity Per Disk
120
Teeth Pitch Diameter
15.000 inches
Features Provided
Friction material facing and material facing groove
Construction
Solid
Disk Material
Steel
Flexibility
Rigid
Material
Copper alloy

Pricing and Availability

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  •   ISO 9001:2015 + AS9120B
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  •   7 Year Record Retention
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  •   HAZMAT Certified
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NSN 2520-00-738-8729 Datasheet

Supply Class (FSC):
Vehicular Power Transmission Components
Cross Reference:
  • PC-1822
  • 2J5513
  • PC-1822
  • PC-1822
Cage Codes:
  • The S K Wellman Corp (CAGE 79370)
  • Caterpillar Inc. (CAGE 11083)
  • Carlisle Brake & Friction, Inc. (CAGE 7R1P5)
Replacements:
  • 2520-00-738-8729 replaces 2520-00-988-9392
Schedule B & Trade:
  • Schedule B: 8483909500 (NAICS 333613)

    Parts, nesoi, of bearing housings & plain shaft bearings, housed bearings, clutches, universal joints, flywheels and transmission shafts

  • SITC: 74890

    Parts, n.E.S., for transmission shafts and cranks, bearing housings, gears, gearing, ball screws, gear boxes, flywheels and pulleys, clutches, etc.

  • End Use: 21180

    Industrial machines, other

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:

    019940 - Auto transmissions r clutches

  • WCC:

    586 - Vehicle parts, other than automobile

  • 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.

  • LTL:

    M - 85.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    S9c
  • AAC
    V
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9c--00-
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $97.81 to $163.01..
Does NSN 2520-00-738-8729 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Republic Of Korea, United Kingdom, Greece, and Turkey
What is the NIIN of NSN 2520-00-738-8729?
007388729 or 00-738-8729
Does NSN 2520-00-738-8729 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2520-00-738-8729?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1960
MSDS

Material Safety

MSDS BPMTG SINTERED FRICTION MATERIAL

Hazards

Routes of entry: inhalation: yes skin: yes ingestion: no
reports of carcinogenicity: ntp: yes iarc: yes osha: yes
health hazards acute and chronic: copper-causes hemolysis of red blood
cells, deposits of hemofuscin in the liver and possible injury to
lung cells. Iron/tin-slight upper respiratory irritation posible.

lead-chronic exposure to lead c an result in toxic effects.

explanation of carcinogenicity: contains unknown amounts of lead.

effects of overexposure: inhalation of high concentrations of dust may
cause intense sneezing, weakness, and fever. Iron-coughing metal
taste in mouth.

medical cond aggravated by exposure: none specified by manufacturer.

First Aid

First aid: skin-wash with soap and water. Eyes-flush with water and
contact physician. Ingestion-unlikely, contact a physician.

inhalation-remove from exposure. Contact physician.

Chemical Properties

Hcc: n1
melt/freeze pt: m.P/f.P text: >1550f,>843
spec gravity: 5.20
solubility in water: insoluble
appearance and odor: copper color in apperance, no odor.

Reactivity

Stability indicator/materials to avoid: yes
none specified by manufacturer.

stability condition to avoid: none specified by manufacturer.

hazardous decomposition products: none specified by manufacturer.

Proper Disposal

Waste disposal methods: metal scrap. Refer to local ordinance.

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: copper (sara iii)
cas: 7440-50-8
rtecs #: gl5325000
fraction by wt: secret
other rec limits: none recommended
osha pel: 0.1mg/m3 fume/1 dust
acgih tlv: 0.2mg/m3 fume; 9293
epa rpt qty: 5000 lbs
dot rpt qty: 5000 lbs

ingred name: tin
cas: 7440-31-5
rtecs #: xp7320000
other rec limits: none recommended
osha pel: 2 mg/m3
acgih tlv: 2 mg/m3; 9293

ingred name: lead (sara iii)
cas: 7439-92-1
rtecs #: of7525000
other rec limits: none recommended
osha pel: 0.05 mg/m3;1910.1025
acgih tlv: 0.15 mg/m3;dust 9293
epa rpt qty: 1 lb
dot rpt qty: 1 lb

ingred name: graphite, natural
cas: 7782-42-5
rtecs #: md9659600
other rec limits: none recommended
osha pel: 15 mppcf rdust
acgih tlv: 2 mg/m3 rdust; 9293

ingred name: iron
cas: 6596-57-0
other rec limits: none recommended

ingred name: molybdenum disulfide
cas: 1317-33-5
rtecs #: qa4697000
other rec limits: none recommended
osha pel: 15 mg/m3
acgih tlv: 10 mg/m3

ingred name: silicon dioxide (amorphous)
cas: 67762-90-7
other rec limits: none recommended