Product Details | VENT VALVE

4820-01-282-8474 A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see VALVE (1), SAFETY RELIEF.

Part Alternates: 3IN1660F, 3IN-1660F, 4820-01-282-8474, 01-282-8474, 4820012828474, 012828474

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 JUL 1988 01-282-8474

Drawings & Photos | NSN 4820-01-282-8474


Cross Reference | NSN 4820-01-282-8474

Part Number Cage Code Manufacturer
3IN-1660F 79128 ROBERT H. WAGER COMPANY, INC.

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Technical Data | NSN 4820-01-282-8474

Characteristic Specifications
STYLE DESIGNATOR A1A STRAIGHT THRU FLANGED ENDS
VALVE SIZE 3.000 INCHES
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
CONNECTION TYPE FLANGE 1ST END
FLANGE SHAPE ROUND WITH HOLES 1ST END
NOMINAL OUTSIDE DIAMETER 7.500 INCHES 1ST END
NOMINAL THICKNESS 0.625 INCHES 1ST END
BOLT HOLE QUANTITY 4 1ST END
BOLT HOLE NOMINAL DIAMETER 0.750 INCHES 1ST END
BOLT CIRCLE NOMINAL DIAMETER 6.000 INCHES 1ST END
FURNISHED ITEMS AND QUANTITY 1 CAP
III END ITEM IDENTIFICATION ROBERT H. WAGER CO., INC MODEL 1660-F

Restrictions/Controls & Freight Information | NSN 4820-01-282-8474

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 127220 PRESSURE REG/RED/RELIEF VALVES NOI
Less than car load rating
Less than truck load rating P 77.5
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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 4820-01-282-8474

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 CodesXSEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each