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4820-01-243-4204

Special Shaped Actuator Valve Diaphragm

4820012434204 012434204 291187EMK30-12

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must 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 center holes. Excludes DIAPHRA GM, VALVE, FLAT and GASKET. View more Special Shaped Actuator Valve Diaphragm

Managed by United States

NSN Created on 26 Oct 1986

Data Last Changed
May 2023

NATO Update Count
6

NATO Data Quality

STYL Style 55 for 4820-01-243-4204 1/1 — NSN 4820-01-243-4204 (Identification) 1/1

Marketplace 4820-01-243-4204

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4820-01-243-4204 RQST NE

Restrictions 4820-01-243-4204

4820-01-243-4204 is a Special Shaped Actuator Valve Diaphragm 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 4820-01-243-4204

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End Users 4820-01-243-4204

US Navy (N1HE)
Effective Date:: 1 Apr 1991
Supplementary Receivers:: GG; AMC 2 AMSC B IMC P IMCACTY HX

Approved Sources 4820-01-243-4204

Part Number
Manufacturer
Status
291187EMK30-12: 58529 - The Babcock & Wilcox Company (Replaced); Original Design; RNCC 3 RNVC 9 DAC C
291187EMK30-12: 05073 - Babcock & Wilcox Co (Active); Advisory Reference; RNCC C RNVC 1 DAC C

Datasheet 4820-01-243-4204

Characteristic
Specifications
FIIG: A540B0
Criticality Code Justification [CRTL]: Zzzy
Material Thickness [ABPX]: 0.167 Inches Minimum And 0.187 Inches Maximum
Outside Diameter [ABHE]: 7.979 Inches Minimum And 7.989 Inches Maximum
Material [MATT]: Steel Corrosion Resisting
Reference Number Differentiating Characteristics [ZZZY]: Material Will Be In Accordance With Ships Parts Control Center Activity Hx Quality Control,Manufacturing And Testing Specifications
Overall Height [ABKW]: 0.732 Inches Minimum And 0.768 Inches Maximum
Style Designator [STYL]: Special Shaped

Management Data 4820-01-243-4204

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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:

X6: Naval Reactor Plant items specifically designed, manufactured and/or treated for use in Level 1 Naval Reactor Plant applications. All Level 1 items which do not qualify for SMIC X1, X2, or X4 assignment are assigned SMIC X6. Since the outer packaging of material received from the Navy Supply System may not be marked with an X6 SMIC, end users should consult applicable logistics information (e.g., the Q COSAL, FEDLOG, Haystack, etc.) to determine the current SMIC assignment. If an X6 SMIC is currently assigned in any of the applicable logistics information, the material is considered pre-certified Level 1 material and does not require a Ready-For-Issue tag.

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 4820-01-243-4204

4820-01-243-4204 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 051080. A Sub NMFC of Z. It has a NMFC Description of FAUCETS,BIBCOCKS,GATES VALVES. 4820-01-243-4204 is rated as a variable freight class when transported by Less-Than Truckload (LTL) freight. 4820-01-243-4204 is rated as class 60 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 29300 which rates the freight between FCL and LCL. It has a Water Commodity Code (WCC) of 594 for ocean manifesting and military sealift. 4820-01-243-4204 is not classified as a special type of cargo when transported by water. 4820-01-243-4204 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.

Packaging Data 4820-01-243-4204

Responsible Activity
Packaging Data Source: Primary Inventory Control Activity (PICA); Packaging Data does not meet current MIL-STD-2073-1E

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation: --; --; --; Over 10lb; Less than 85G; No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: 1; --; --; --; --; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; No Requirement; PPP-C-795, Cellular Plastic Film Cushioning; or A-A-3129, Open Cell Plastic Cushioning; or PPP-C-1797, Polypropylene Foam Cushioning; or A-A-59136, Polyethylene Foam Cushioning; --; ASTM-D5118, Type CF, Class Domestic, Corrugated Fiberboard Box; No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container: --; No Requirement