NSN 4820-01-248-1601 31M49B, 31M-49B, 01-248-1601

Product Details | FLAT VALVE DIAPHRAGM

4820-01-248-1601 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: 31M49B, 31M-49B, 4820-01-248-1601, 01-248-1601, 4820012481601, 012481601

Valves | Valves, Nonpowered

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
48	16-JAN-87	01-248-1601	60396 ( DIAPHRAGM, VALVE, FLAT )

Part Number	Request Date	QTY	Origin
4820-01-248-1601	2011-07-210	7	DIBBS
4820-01-248-1601	2011-04-105	10	DIBBS
4820-01-248-1601	2011-03-67	10	DIBBS
4820-01-248-1601	2010-09-250	2	DIBBS
4820-01-248-1601	2010-07-212	2	DIBBS
4820-01-248-1601	2009-10-299	1	DIBBS

Cross Reference | NSN 4820-01-248-1601

Part Number	Cage Code	Manufacturer
31M-49-1B	21013	METREX VALVE CORP.
RDM-820-NF-3W-114 ITEM 5	21013	METREX VALVE CORP.

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Related Products | NSN 4820-01-248-1601

4820-01-248-1602, 4820-01-248-2378, 4820-01-248-2379, 4820-01-248-2380, 4820-01-248-2381

Technical Data | NSN 4820-01-248-1601

Characteristic	Specifications
MATERIAL	RUBBER, BUNA-N
STYLE DESIGNATOR	G49 FLAT
OUTSIDE DIAMETER	9.900 INCHES NOMINAL
BOLT CIRCLE DIAMETER	0.321 INCHES NOMINAL
CENTER HOLE DIAMETER	0.768 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED	ANY ACCEPTABLE
PRESSURE RATING	NOT RATED
TEMP RATING	NOT RATED
SPECIAL FEATURES	W/DACRON INSERT

Restrictions/Controls & Freight Information | NSN 4820-01-248-1601

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item 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