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4320-01-646-9912

Wearing Ring

4320016469912 016469912 654C0735

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves. View more Wearing Ring

Managed by United States

NSN Created on 7 Aug 2015

Data Last Changed
May 2023

NATO Update Count
1

NATO Data Quality

4320-01-646-9912 RING,WEARING 4320016469912 016469912 1/1 — NSN 4320-01-646-9912 (Generic Image) 1/1

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4320-01-646-9912 RQST NE

Restrictions 4320-01-646-9912

4320-01-646-9912 is a Wearing Ring that does not have a nuclear hardened feature, but does have another critical feature or features such as tolerance, fit restriction or application. This item is a US Munitions List or Commerce Control List Item where the Item Manager, Equipment Specialist or Product Specialist must provide special demilitarization instructions. This item is not suspected to be hazardous. This item does not contain a precious metal.

Import and Export 4320-01-646-9912

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End Users 4320-01-646-9912

US Navy (N1HE)
Effective Date:: 1 Aug 2015; AMC 5 AMSC P IMC P

Approved Sources 4320-01-646-9912

Part Number
Manufacturer
Status
654C0735: 63857 - Circor Naval Solutions Llc (Active); Incomplete Reference; RNCC 3 RNVC 1 DAC C

Datasheet 4320-01-646-9912

Characteristic
Specifications
FIIG: A19900
Criticality Code Justification [CRTL]: Zzzy
Reference Number Differentiating Characteristics [ZZZY]: Material Will Be In Accordance With Navsup-Wss Activity Hx Quality Control, Manufacturing And Testing Specifications

Management Data 4320-01-646-9912

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Department of the Navy (DN); EA; Subscribe; 1
Oct 2021: Department of the Navy (DN); EA; Subscribe; 1
Oct 2020: Department of the Navy (DN); EA; Subscribe; 1
Oct 2019: Department of the Navy (DN); EA; Subscribe; 1

Navy

Cognizance:

1H: Consumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg

Special Material ID:

X3: Nuclear Reactor Plant (NRP) material under the technical cognizance of the NAVSEA 08 special designed, manufactured and/or treated for use in a NRP or controls thereof. This category includes all other NRP items which are not coded X2 or X4.

Issue, Repair, Requisition Restriction Code:

BL: Submit/refer requisitions to NAVICP MECH. Centralized control for issue of repair parts for specific programs/equipment

Special Material Content:

9: Non-Hazardous or Non-Sensitive Item

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Freight Information 4320-01-646-9912

4320-01-646-9912 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 128000. A Sub NMFC of X. It has a NMFC Description of PUMPS PWR NOI/WORKING HEADS/PARTS. 4320-01-646-9912 is rated as class 85 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 64870 which rates the freight between FCL and LCL. 4320-01-646-9912 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 594 for ocean manifesting and military sealift. 4320-01-646-9912 is not classified as a special type of cargo when transported by water. 4320-01-646-9912 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.