Product Details | FLAT VALVE DIAPHRAGM

4820-01-181-8705 An item in the form of one or more thin flexible sheets normally designed to form a tight seal between chambers of a valve, and to transmit motion to a valve disk either directly or through a mechanical linkage. The surface of the item(s) may not be formed or molded to have a beaded or rolled edge, ribs, or any other raised surfaces. The item may contain bolt holes and/or a center hole. Excludes DIAPHRAGM, VALVE, SPECIAL SHAPED and GASKET.20316600062Aircraft Air Conditioning, Heating, and Pressurizing Equipment48100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 40399, 40399 FIND NO 7, 40399FINDNO7, 733, 733 FIND NO 7, 73300, 733-00, 733FINDNO7, 4820-01-181-8705, 01-181-8705, 4820011818705, 011818705

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 16-JUN-84 01-181-8705

Demand History | NSN 4820-01-181-8705

Part Number Request Date QTY Origin
4820-01-181-8705 2011-09-257 17 DIBBS
733 2008-02-60 1 LV

Cross Reference | NSN 4820-01-181-8705

Part Number Cage Code Manufacturer
733 55378 TRAC REGULATORS INC
733-02 55378 TRAC REGULATORS INC

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Technical Data | NSN 4820-01-181-8705

Characteristic Specifications
MATERIAL RUBBER, CHLOROPRENE
STYLE DESIGNATOR G49 FLAT
HOLE DIAMETER 0.328 INCHES NOMINAL
OUTSIDE DIAMETER 6.150 INCHES NOMINAL
BOLT CIRCLE DIAMETER 5.360 INCHES NOMINAL
MATERIAL THICKNESS 0.125 INCHES NOMINAL
CENTER HOLE DIAMETER 0.377 INCHES NOMINAL
BOLT HOLE QUANTITY 8
MEDIA FOR WHICH DESIGNED SEAWATER
PRESSURE RATING 150.0 POUNDS PER SQUARE INCH NOMINAL
TEMP RATING NOT RATED
III END ITEM IDENTIFICATION TRAC REGULATOR CO PRESSURE REDUCING VALVE TYPE 2 STYLE H

Restrictions/Controls & Freight Information | NSN 4820-01-181-8705

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information