Product Details | VENT VALVE

4820-01-412-6804 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: 1600W4IN, 1600W-4IN, 1660W 4IN STL, 1660W4INSTL, 4820-01-412-6804, 01-412-6804, 4820014126804, 014126804

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 26 APR 1995 01-412-6804

Drawings & Photos | NSN 4820-01-412-6804


Demand History | NSN 4820-01-412-6804

Part Number Request Date QTY Origin
4820-01-412-6804 2017-03-87 4 DIBBS
4820-01-412-6804 2011-05-143 2 DIBBS

Cross Reference | NSN 4820-01-412-6804

Part Number Cage Code Manufacturer
1600W-4IN 79128 ROBERT H. WAGER COMPANY, INC.
1660W 4IN STL 79128 ROBERT H. WAGER COMPANY, INC.

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Technical Data | NSN 4820-01-412-6804

Characteristic Specifications
MATERIAL STEEL BODY STEEL CORROSION RESISTING SEAT
MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
CONNECTION TYPE BUTT WELD PIPE ALL ENDS
CONNECTION STYLE G70B BEVELED ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED 4.000 INCHES ALL ENDS
SPECIAL FEATURES INCL BODY 1, MESH SCREEN 1, MESH PROTECTING SCREEN 1, SPACER RING 1, CAP 1, CAPSCREW 3

Restrictions/Controls & Freight Information | NSN 4820-01-412-6804

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 4820-01-412-6804

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
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
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