Product Details | FLAT VALVE DIAPHRAGM

4820-01-137-0408 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: N32266179, N50879, N-508-79, N-734 PC 7 , N734PC7, NB32266179, 2266179, 22661-79, 22971079, 229-710-79 , 32266179, 4820-01-137-0408, 01-137-0408, 4820011370408, 011370408

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 20 AUG 1982 01-137-0408

Demand History | NSN 4820-01-137-0408

Part Number Request Date QTY Origin
22661-79 2025-09-254 13 DIBBS
NB32266179 2025-09-254 13 DIBBS
22661-79 2023-11-332 13 DIBBS
NB32266179 2023-11-332 13 DIBBS
22661-79 2023-04-99 14 DIBBS
NB32266179 2023-04-99 14 DIBBS
22661-79 2022-11-317 13 DIBBS
NB32266179 2022-11-317 13 DIBBS
22661-79 2022-05-128 2 DIBBS
NB32266179 2022-05-128 2 DIBBS
22661-79 2021-10-284 2 DIBBS
NB32266179 2021-10-284 2 DIBBS
22661-79 2021-05-143 2 DIBBS
NB32266179 2021-05-143 2 DIBBS
22661-79 2021-01-21 2 DIBBS
NB32266179 2021-01-21 2 DIBBS
22661-79 2020-04-121 2 DIBBS
NB32266179 2020-04-121 2 DIBBS
22661-79 2020-04-107 2 DIBBS
NB32266179 2020-04-107 2 DIBBS
22661-79 2019-12-346 2 DIBBS
NB32266179 2019-12-346 2 DIBBS
4820-01-137-0408 2017-12-352 4 DIBBS
4820-01-137-0408 2017-12-340 4 DIBBS
4820-01-137-0408 2017-06-155 2 DIBBS
4820-01-137-0408 2015-02-40 2 DIBBS
4820-01-137-0408 2015-01-29 2 DIBBS
4820-01-137-0408 2014-03-65 3 DIBBS
4820-01-137-0408 2013-10-304 2 DIBBS
4820-01-137-0408 2013-08-238 1 DIBBS
4820-01-137-0408 2013-08-233 2 DIBBS
4820-01-137-0408 2013-08-223 1 DIBBS
4820-01-137-0408 2013-08-218 2 DIBBS
4820-01-137-0408 2012-03-90 5 DIBBS
4820-01-137-0408 2011-09-273 4 DIBBS

Cross Reference | NSN 4820-01-137-0408

Part Number Cage Code Manufacturer
22661-79 0Y7K2 CALTAM INC
229-710-79 35795 LESLIE CONTROLS, INC.
32266179 35795 LESLIE CONTROLS, INC.
N-508-79 35795 LESLIE CONTROLS, INC.
N-734 PC 7 35795 LESLIE CONTROLS, INC.
N32266179 35795 LESLIE CONTROLS, INC.
NB32266179 35795 LESLIE CONTROLS, INC.

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Technical Data | NSN 4820-01-137-0408

Characteristic Specifications
MATERIAL RUBBER, CHLOROPRENE
STYLE DESIGNATOR G49 FLAT
OUTSIDE DIAMETER 8.000 INCHES NOMINAL
MATERIAL THICKNESS 0.125 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED GASOLINE OR JET FUEL
PRESSURE RATING 600.0 POUNDS PER SQUARE INCH NOMINAL
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 4820-01-137-0408

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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 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 4820-01-137-0408

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each