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4820-00-401-3974

Safety Relief Valve

4820004013974 004013974 R6180X CL55S51-101

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE. View more Safety Relief Valve

4820-00-401-3974 VALVE,SAFETY RELIEF 4820004013974 004013974

Managed by United States
NSN Created on 15 Jan 1972
Data Last Changed
January 2024
NATO Update Count
7
NATO Data Quality
STYL Style C1 for 4820-00-401-3974 1/1
NSN 4820-00-401-3974 (Identification) 1/1

4820-00-401-3974 Stock and Availability Marketplace 4820-00-401-3974

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4820-00-401-3974 Related Documents Related Documents 4820-00-401-3974 2+ Documents (More...)

2200-483696PCV9189RNCC: 3 | RNVC: 1 | DAC: 5 1 Jan 1961 5970-99-810-0005 Safety Relief Valve 4820-00-401-3974
3120-01-251-2000 3120012512000 012512000 is a tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. the overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. for items made of rubber, see bushing, nonmetallic. see also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. excludes bushing, drill, jig.

4820-00-401-3974 Demil Restrictions 4820-00-401-3974

DEMIL: Q | DEMILI: | CRITICALITY: X | HMIC: N | PMIC: A | EDC: | ADPEC: 0

4820-00-401-3974 is a Safety Relief Valve that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item is a confirmed Commerce Control List Item (CCLI). This item is not suspected to be hazardous. This item does not contain a precious metal.

4820-00-401-3974 HTS and ScheduleB Import and Export 4820-00-401-3974

4820-00-401-3974 End Users End Users 4820-00-401-3974

Spain (YB01)
Effective Date:
1 Apr 1991

4820-00-401-3974 Manufacturers Approved Sources 4820-00-401-3974

4820-00-401-3974 Technical Data Datasheet 4820-00-401-3974

Characteristic
Specifications
FIIG
A046B0
Bolt Circle Nominal Diameter [CWCT]
5.875 Inches 1St End
Bolt Hole Nominal Diameter [CWCQ]
0.812 Inches 1St End
Bolt Hole Nominal Diameter [CWCQ]
0.812 Inches 2Nd End
Bolt Hole Quantity [AECS]
9 2Nd End
Bolt Hole Quantity [AECS]
8 1St End
Bonnet Type [ADSR]
Packing Retaining
Bolt Circle Nominal Diameter [CWCT]
7.125 Inches 2Nd End
Connection Type [AWLS]
Flange 1St End
Connection Type [AWLS]
Flange 2Nd End
Features Provided [CBBL]
Pressure Tight Outlet Side
Flange Face Design [CWDF]
Plain 2Nd End
Flange Face Design [CWDF]
Raised Straight 1St End
Flange Shape [ARKN]
Round With Holes 1St End
Flange Shape [ARKN]
Round With Holes 2Nd End
Flow Control Device [ADQU]
Disk
Material [MATT]
Steel Body
Material [MATT]
Steel Corrosion Resisting Flow Control Device
Material [MATT]
Steel Corrosion Resisting Seat
Material [MATT]
Steel Corrosion Resisting Stem
Nominal Outside Diameter [CWCD]
7.500 Inches 1St End
Nominal Outside Diameter [CWCD]
8.688 Inches 2Nd End
Nominal Thickness [CWCK]
0.875 Inches 2Nd End
Nominal Thickness [CWCK]
1.438 Inches 1St End
Raised Face Nominal Diameter [CWDL]
5.000 Inches 1St End
Raised Face Nominal Height [CWDH]
0.250 Inches 1St End
Reference Number Differentiating Characteristics [ZZZY]
As Differentiated By The Valve Discharge Flow Rate Requirementand The Raised Face Diameter Requirement
Renewable Seat Ring Type [ADZH]
Threaded
Valve Discharge Flow Rate [ADSY]
58300.0 Pounds Per Hour
Valve Operation Method [AQLR]
Automatic
Style Designator [STYL]
Angle

4820-00-401-3974 Management Data Management Data 4820-00-401-3974

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Dec 2010
Department of the Navy (DN)
EA
Subscribe
1
MOE
USC
Code
Statement
Order of Use
Jump To Code
Qty Per Assy
UOM
Technical Document
Quantative Expression
Department of the Navy (DN)
L
N
Disposal

Navy Navy

Cognizance:
7H
Issue, Repair, Requisition Restriction Code:
00
No Restriction
Special Material Content:
9
Non-Hazardous or Non-Sensitive Item

4820-00-401-3974 Related Items NATO Stock Numbers Related to 4820-00-401-3974

4820-00-401-3974 Freight Data Freight Information 4820-00-401-3974

4820-00-401-3974 has freight characteristics managed by the Food and Drug Administration (FDA).It has a National Motor Freight Classification (NMFC) of 127220. A Sub NMFC of X. It has a NMFC Description of PRESSURE REG/RED/RELIEF VALVES NOI. 4820-00-401-3974 is rated as class 77.5 when transported by Less-Than Truckload (LTL) freight. 4820-00-401-3974 is rated as class 77.5 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 64490 which rates the freight between FCL and LCL. 4820-00-401-3974 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. 4820-00-401-3974 is not classified as a special type of cargo when transported by water. 4820-00-401-3974 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.

4820-00-401-3974 Packaging Data Packaging Data 4820-00-401-3974

Responsible Activity
Packaging Data Source
Primary Inventory Control Activity (PICA)
Validated Correction
Storage Environment
Heated General Purpose – Heated 40 F and above

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation
--
--
--
Over 10lb
Less than 85G
Special Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying
1
--
--
--
--
--
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
--
--
Cushion, Anchor, Block or Brace as Required
--
ASTM-D6251, Type III, Class 2, Overseas Cleated Plywood Box or ASTM-D6880, Class 2, Heavy Duty Nailed Wood Box
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
--
No Requirement