Steam Air Venting Valve

NSN: 4520-00-052-3112 | Model:

An automatic valve designed to relieve, automatically, accumulated air in various types of steam heating systems.

NSN Properties and Flags

NATO Stock Number

4520-00-052-3112

DEMIL

Maximum Operating Pressure

255.0 pounds per square inch

Valve Connection Size

0.500 inches

Valve Type

Quick air vent

Valve Water Pressure Position

Closed

Valve Air Return Prevention

Required

Valve Shape

Angled

Material

Phosphor bronze

Material

Copper alloy 511

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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

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 4520-00-052-3112 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Bureau Of Mines
What is the NIIN of NSN 4520-00-052-3112?
000523112 or 00-052-3112
Does NSN 4520-00-052-3112 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4520-00-052-3112?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963