Product Details | VALVE SEAT

4820-01-050-2176 A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 30001, 4820-01-050-2176, 01-050-2176, 4820010502176, 010502176

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 NOV 1977 01-050-2176

Cross Reference | NSN 4820-01-050-2176

Part Number Cage Code Manufacturer
30001 16780 EATON AEROSPACE LLC DBA SOLENOID VALVES

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Technical Data | NSN 4820-01-050-2176

Characteristic Specifications
FLANGE DIAMETER 0.7490 INCHES MINIMUM AND 0.7495 INCHES MAXIMUM
OVERALL HEIGHT 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 0.635 INCHES MINIMUM AND 0.638 INCHES MAXIMUM
BODY STEPPED INSIDE DIAMETER 0.395 INCHES MINIMUM AND 0.405 INCHES MAXIMUM FIRST STEP 0.375 INCHES NOMINAL SECOND STEP
MATERIAL STEEL COMP 440C OR STEEL COMP 440F OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5623 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING 43.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE FLAT
CRITICALITY CODE JUSTIFICATION ABKK
MANUFACTURERS CODE 16780
DESIGN CONTROL REFERENCE 30001

Restrictions/Controls & Freight Information | NSN 4820-01-050-2176

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:YThe item does not have a nuclear hardened feature but does have other critical feature(s) 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 594 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 4820-01-050-2176

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