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4820-00-159-0558

Safety Relief Valve

4820001590558 001590558 A48377 A48377CAP37550

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

4820-00-159-0558 VALVE,SAFETY RELIEF 4820001590558 001590558

Managed by United States
NSN Created on 24 Oct 1971
Data Last Changed
May 2023
NATO Update Count
9
NATO Data Quality
STYL Style C1A for 4820-00-159-0558 1/1
NSN 4820-00-159-0558 (Identification) 1/1

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4820-00-159-0558 Related Documents Related Documents 4820-00-159-0558 5+ Documents (More...)

A48377 A48377CAP37550 A valve designed to automatically release excessive pressures.
Every Day 4820-00-159-0558 RQST Updated Every Day 4820-00-159-0558 RQST NE Related Documents 4820-00
Every Day 4820-00-159-0558 RQST Updated Every Day 4820-00-159-0558 RQST NE Related Documents 4820-00
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Relief Valve4820001590558 001590558 A48377 PIECE 10 A-49148 PIECE 10 A48377 An item of various shapes
Account Upgrade 5310-01-046-7675Valve Spindle Nut5310010467675 010467675 58271 A48377PC27 A47800PC25 A48377
PIECE 10 A-49148 PIECE 10 A48377 An item of various shapes (usually circular, conical, cylindrical,
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your Account Upgrade 4820-01-046-7677Valve Disk4820010467677 010467677 036324 36324 A-42437 PIECE 11 A48377
PIECE 10 A-49148 PIECE 10 A48377 An item of various shapes (usually circular, conical, cylindrical,
your Account Upgrade 4820-01-046-7676Valve Adjusting Bolt4820010467676 010467676 17848 A48377PC35 A48377

4820-00-159-0558 Demil Restrictions 4820-00-159-0558

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

IUID Required

4820-00-159-0558 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 considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.

4820-00-159-0558 HTS and ScheduleB Import and Export 4820-00-159-0558

4820-00-159-0558 End Users End Users 4820-00-159-0558

US Navy (N2H4)
Effective Date:
1 Apr 1991
Supplementary Receivers:
GG

4820-00-159-0558 Manufacturers Approved Sources 4820-00-159-0558

4820-00-159-0558 Technical Data Datasheet 4820-00-159-0558

Characteristic
Specifications
FIIG
A046B0
Bolt Hole Nominal Diameter [CWCQ]
0.875 Inches 2Nd End
Bolt Hole Nominal Diameter [CWCQ]
1.125 Inches 1St End
Bolt Hole Quantity [AECS]
8 1St End
Bolt Hole Quantity [AECS]
8 2Nd End
Bonnet Attachment Method [ADST]
Bolted
Bonnet Type [ADSR]
Exposed Spring
Bolt Circle Nominal Diameter [CWCT]
7.500 Inches 1St End
Bolt Circle Nominal Diameter [CWCT]
7.875 Inches 2Nd End
Connection Type [AWLS]
Flange 2Nd End
Connection Type [AWLS]
Flange 1St End
Disk Loading Method [ADSU]
Spring
Features Provided [CBBL]
Pressure Tight Outlet Side
First Connection Face To Centerline Distance [CWCL]
6.938 Inches
Flange Face Design [CWDF]
Recessed Straight 1St End
Flange Face Design [CWDF]
Raised Straight 2Nd End
Flange Shape [ARKN]
Round With Holes 1St End
Flange Shape [ARKN]
Round With Holes 2Nd End
Flow Control Device [ADQU]
Disk
Material [MATT]
Nickel Alloy 400 Stem
Material [MATT]
Steel Comp 304 Flow Control Device
Material [MATT]
Steel Comp 304 Seat
Nominal Outside Diameter [CWCD]
10.000 Inches 2Nd End
Nominal Outside Diameter [CWCD]
9.625 Inches 1St End
Nominal Thickness [CWCK]
1.188 Inches 2Nd End
Nominal Thickness [CWCK]
1.688 Inches 1St End
Opening Pressure Setting [CSDC]
1350.0 Pounds Per Square Inch
Raised Face Nominal Diameter [CWDL]
6.188 Inches 2Nd End
Raised Face Nominal Height [CWDH]
0.062 Inches 2Nd End
Recess Nominal Depth [CWDS]
0.062 Inches 1St End
Recess Nominal Diameter [CWDP]
8.750 Inches 1St End
Reference Number Differentiating Characteristics [ZZZY]
As Differentiated By The Valve Discharge Flow Rate Requirement
Renewable Seat Ring Type [ADZH]
Threaded
Second Connection Face To Centerline Distance [CWCR]
7.688 Inches
Valve Operation Method [AQLR]
Automatic
Valve Size [CCFG]
2.500 Inches
Valve Discharge Flow Rate [ADSY]
37550.0 Pounds Per Hour
Style Designator [STYL]
Angle Flanged Ends

4820-00-159-0558 Management Data Management Data 4820-00-159-0558

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Oct 2022
Department of the Navy (DN)
EA
Subscribe
Oct 2021
Department of the Navy (DN)
EA
Subscribe
Oct 2020
Department of the Navy (DN)
EA
Subscribe
Nov 2019
Department of the Navy (DN)
EA
Subscribe
MOE
USC
Code
Statement
Order of Use
Jump To Code
Qty Per Assy
UOM
Technical Document
Quantative Expression
Department of the Navy (DN)
L
R
Refer To Net Price 2673.00
NET PRICE 2673.00

Navy Navy

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

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4820-00-159-0558 Freight Data Freight Information 4820-00-159-0558

4820-00-159-0558 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. 4820-00-159-0558 is rated as class 77.5 when transported by Less-Than Truckload (LTL) freight. 4820-00-159-0558 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. 4820-00-159-0558 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. 4820-00-159-0558 is not classified as a special type of cargo when transported by water. 4820-00-159-0558 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.

4820-00-159-0558 Packaging Data Packaging Data 4820-00-159-0558

Responsible Activity
Packaging Data Source
Primary Inventory Control Activity (PICA)
Packaging Data does not meet current MIL-STD-2073-1E
Storage Environment
Unheated General Purpose

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
--
38.0" H x 17.0" W x 15.0" L
--
--
--
Special Requirements
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
Special Requirement
Special Requirements – see Specific Instructions or Drawings provided
Wood Blocking and Bracing, Fasteners, or Steel Strapping, for Tie-down purposes. Rubber tired wheels shall be blocked clear of the floor of the crate or skid and shall not be load bearing
Not Applicable
ASTM-D6251, Type III, Class 2, Overseas Cleated Plywood Box or ASTM-D6880, Class 2, Heavy Duty Nailed Wood Box
Open for inspection or use only

Intermediate Pack Level

Quantity of Unit Packs
Container
--
No Requirement