Product Details | FLAT VALVE DIAPHRAGM

4820-00-539-8897 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: 80265PC2, 81483, 81483A, 4820-00-539-8897, 00-539-8897, 4820005398897, 005398897

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 25 SEP 1974 00-539-8897

Cross Reference | NSN 4820-00-539-8897

Part Number Cage Code Manufacturer
80265PC2 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
81483 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
81483A 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO

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Technical Data | NSN 4820-00-539-8897

Characteristic Specifications
MATERIAL POLYAMIDE NYLON AND RUBBER, SYNTHETIC
STYLE DESIGNATOR G49 FLAT
HOLE DIAMETER 0.219 INCHES NOMINAL
OUTSIDE DIAMETER 3.125 INCHES NOMINAL
BOLT CIRCLE DIAMETER 2.688 INCHES NOMINAL
MATERIAL THICKNESS 0.072 INCHES NOMINAL
CENTER HOLE DIAMETER 0.312 INCHES NOMINAL
BOLT HOLE QUANTITY 8
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
PRESSURE RATING NOT RATED
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 4820-00-539-8897

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:UPrecious metal type is unknown
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
NMF Description 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-539-8897

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each