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Friction Lining

NSN: 2520-01-011-4381 | Model: 67974

A fibrous and/or metallic material with or without binders and/or compounds, cut or molded to a specific size. It may be a segment or a complete lining. It is usually designed to be fastened to a shoe, disk, band, cone, or the like, but may be installed without fastening. It provides a friction surface for transmitting, retarding, or stopping motion. Excludes lining material, friction.

NSN Properties and Flags
NATO Stock Number
2520-01-011-4381
DEMIL
NO
Fabrication Method
Molded
Major Diameter
7.031 inches
Thickness
0.438 inches
Strengthening Feature
Internally molded-in reinforcement
End Application
Grumman aircraft, model a10
Minor Diameter
3.438 inches
Lining Style
External tooth clutch disk
Teeth Quantity
42
Application Type
Dry
Features Provided
Rigid friction lining
Attachment Method
Bonded
Special Features
Item is in 3 equal sections
Supplementary Features
5this item has bewen reviewed for asbestos material. The current approved source, cage 16004, has indicated their part number contained asbestos prior to 1984. They continue to manufacture the same part number without asbestos material after 1984

Pricing and Availability

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NSN 2520-01-011-4381 Datasheet

Supply Class (FSC):
Vehicular Power Transmission Components
Cross Reference:
  • 67974
  • 67974
  • 65359
  • MGRP580
  • AMS757
Cage Codes:
  • Drs Environmental Systems, Inc. (CAGE 5RQL2)
  • Davey Compressor Co (CAGE 16004)
  • The S K Wellman Corp (CAGE 79370)
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
    Sms
  • AAC
    V
  • Quantity per pack
    * special requirements.
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $2,083.73 to $3,472.88..
Does NSN 2520-01-011-4381 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Turkey
What is the NIIN of NSN 2520-01-011-4381?
010114381 or 01-011-4381
Does NSN 2520-01-011-4381 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2520-01-011-4381?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Oct 22, 1975
MSDS

Material Safety

MSDS BNWQX FRICTION MATERIAL CONTAINING ASBESTOS

Hazards

Routes of entry: inhalation: yes skin: yes ingestion: no
reports of carcinogenicity: ntp: yes iarc: yes osha: yes
health hazards acute and chronic: acute-none under normal conditions of
use.Grinding,sanding or machining may produce dust that can cause
irritation of eyes, skin and respiratory passages. Chronic- long
term exposure to asbestos can c ause irreversible asbestosis, lung
disease, lung cancer. Resin may cause dermatitis.

explanation of carcinogenicity: asbestos is regulated by osha as a
carcinogen.

effects of overexposure: none under normal conditions of use. However,
grinding, sanding or machining may produce nuisance particulates
that can cause irritation of eyes, skin and respiratory passages.

long term exposure to a sbestos can cause irreversible asbestosis,
lung disease, lung cancer.

medical cond aggravated by exposure: persons with pre-existing skin
disorders such as dermatitis, lung disease or any condition that
may be aggravated by nuisance dust or fibers.

First Aid

First aid: should not be necessary from a proper handling. However, seek
medical attention if symptoms develop. In case of eye irritation
gently rinse with water for 15 minutes while keeping eyelids open.

skin: wash frequently with soap and water. Inhalation: remove to
fresh air. Ingestion: unlikely.

Chemical Properties

Hcc: t6
appearance and odor: solid material

Reactivity

Stability indicator/materials to avoid: yes
none known
stability condition to avoid: none known
hazardous decomposition products: none known

Proper Disposal

Waste disposal methods: waste should be contained in impermeable bags,
labeled and disposed in accordance with all local, state and
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: asbestos, chrysotile
cas: 12001-29-5
rtecs #: ci6478500
fraction by wt: 10-40%
other rec limits: none specified
osha pel: 0.2 fibers/cc
acgih tlv: 2 fibers/cc; a1;9192

ingred name: phenolic resin
fraction by wt: 15-48%
other rec limits: none specified

ingred name: metal base
fraction by wt: 60-78%
other rec limits: none specified
osha pel: 15 mg/m3 total dust
acgih tlv: 10 mg/m3 total dust

ingred name: carbon
rtecs #: ff5251000
fraction by wt: 5-30%
other rec limits: none specified
osha pel: 15 mg/m3
acgih tlv: 10 mg/m3