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Exhaust-intake Pneumatic Muffler

NSN: 4330-01-642-9238 | Model: 0312007

A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).

NSN Properties and Flags
NATO Stock Number
4330-01-642-9238
DEMIL
NO
Overall Length
7.16 inches
Inlet Connection Type
Threaded single inlet
Overall Diameter
3.4 inches
Body Shape
Round
Operating Position
Any acceptable
Inlet Flange Shape
Round single inlet
Inlet Flange Mounting Provision And Quantity
1 holes single inlet
Inlet Flange Mounting Hole Diameter
0.75 inches single inlet
Part Name Assigned By Controlling Agency
Relief valve muffler

Pricing and Availability

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NSN 4330-01-642-9238 Datasheet

Supply Class (FSC):
Pressure And Vacuum Filters Separators Centrifugals
Cross Reference:
  • 0312007
Cage Codes:
  • Allied Witan Co (CAGE 99016)
Schedule B & Trade:
  • Schedule B: 8487900080 (NAICS 333999)

    Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers

  • SITC: 74999

    Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, n.E.S.

  • End Use: 21180

    Industrial machines, other

Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

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 4330-01-642-9238 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
What is the NIIN of NSN 4330-01-642-9238?
016429238 or 01-642-9238
Does NSN 4330-01-642-9238 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4330-01-642-9238?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Mar 13, 2015