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Air Filtering Respirator Cartridge

NSN: 4240-00-052-3447 | Model: R33

A self-contained unit designed for placement in the holder of a respirator or air line mask. It may consist of a filtering element of fibrous material such as felt, paper, or the like secured between two end plates; or it may be a cylindrical container of light weight construction having flat or slightly rounded ends which may be either perforated or of wire mesh, filled with charcoal or chemicals which absorb contaminants from the air passing through it. See also filter, respirator, air filtering.

NSN Properties and Flags
NATO Stock Number
4240-00-052-3447
DEMIL
NO
Special Features
Protects against vapors and gases in decreasing operations

Pricing and Availability

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NSN 4240-00-052-3447 Datasheet

Supply Class (FSC):
Safety And Rescue Equipment
Cross Reference:
  • R33
  • R33
Cage Codes:
  • Leica Inc (CAGE 78039)
  • American Optical Co (CAGE 02622)
Identification:
HMIC

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

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.

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 4240-00-052-3447 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Tennessee Valley Authority
What is the NIIN of NSN 4240-00-052-3447?
000523447 or 00-052-3447
Does NSN 4240-00-052-3447 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4240-00-052-3447?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963