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4820-01-478-0818

Safety Relief Valve

4820014780818 014780818 SW125B01R0105 SW125B01R0105/CDS17037 SW125

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

4820-01-478-0818 VALVE,SAFETY RELIEF 4820014780818 014780818

Managed by United States
NSN Created on 29 Aug 2000
Data Last Changed
May 2023
NATO Update Count
4
NATO Data Quality
STYL Style C1 for 4820-01-478-0818 1/1
NSN 4820-01-478-0818 (Identification) 1/1

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4820-01-478-0818 Related Documents Related Documents 4820-01-478-0818 5+ Documents (More...)

SW125B01R0105 SW125B01R0105/CDS17037 SW125 A valve designed to automatically release excessive pressures
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4820-01-685-8470Pressure And Temperature Relief Valve4820016858470 016858470 SW12504R0085/CDS17037 SW125
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4820-01-478-0818 Demil Restrictions 4820-01-478-0818

DEMIL: A | DEMILI: 1 | CRITICALITY: X | HMIC: N | PMIC: A | EDC: | ADPEC: 0

4820-01-478-0818 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. Demilitarization of this item has been confirmed and is not currently subject to changes. 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.

4820-01-478-0818 HTS and ScheduleB Import and Export 4820-01-478-0818

4820-01-478-0818 End Users End Users 4820-01-478-0818

US Navy (N9BC)
Effective Date:
1 Aug 2004
Former MOE Rule:
N9CD
Supplementary Collaborators:
HDJB

4820-01-478-0818 Manufacturers Approved Sources 4820-01-478-0818

4820-01-478-0818 Technical Data Datasheet 4820-01-478-0818

Characteristic
Specifications
FIIG
A046B0
Adjustable Pressure Range [CQCY]
+100.0/+108.0 Pounds Per Square Inch
Bonnet Attachment Method [ADST]
Bolted
Bonnet Type [ADSR]
Inside Spring
Connection Style [AHNC]
Socket (Tube) Err-100
Connection Type [AWLS]
Unthreaded Internal Pipe All Ends
Disk Loading Method [ADSU]
Spring
Furnished Items And Quantity [TMQY]
1 Spring And 2 Tailpiece
Flow Control Device [ADQU]
Disk
Material Document And Classification [MDCL]
Mil-C-20159 Mil Spec All Material Responses Body
Material Document And Classification [MDCL]
Mil-C-20159 Mil Spec All Material Responses Seat
Material Document And Classification [MDCL]
Qq-N-281 Fed Spec All Material Responses Flow Control Device
Material Document And Classification [MDCL]
Qq-N-281 Fed Spec All Material Responses Stem
Material [MATT]
Copper Alloy 962 Body
Material [MATT]
Copper Alloy 962 Seat
Material [MATT]
Nickel Alloy Flow Control Device
Material [MATT]
Nickel Alloy Stem
Material [MATT]
Plastic Polytetrafluoroethylene Packing
Maximum Operating Pressure [CQGM]
400.0 Pounds Per Square Inch Single Response
Maximum Operating Temp [AEHZ]
150.0 Deg Fahrenheit Single Response
Nominal Pipe Size Accommodated [AAAR]
1.500 Inches All Ends
Opening Pressure Setting [CSDC]
105.0 Pounds Per Square Inch
Material Document And Classification [MDCL]
Ams3660 Fed Spec All Material Responses Packing
Renewable Seat Ring Type [ADZH]
Bolted
Special Features [FEAT]
This Valve Meets Requirements Of Mil-V-24332, Grade B, As Modified By P555n21c-9. Inlet And Outlet Connections Iaw Buships Drawing 803-1385884, 1 1/2" Size.Spclghi-Shock Test Gaynes Testing Laboratories Report No. 71305, Approved By Supships N. N. Va. Ltr Cvn Shcl/9480-249400-1 Ser: 2810-3037 Dated 18 Oct 1971, Lightweight, Class 1, Type A, Mounting Location: Hull; Mounting Plane: Base. Vibration Test Ias Mil-Std-167, Type 1, Gaynes Testing Laboratories Report No. 67764 Dated 9 June 1967. Approved By Supships Letter Ssn537/9600/1 Ser. 252-780M Dated 11 June 1967
Valve Operation Method [AQLR]
Automatic
Style Designator [STYL]
Angle

4820-01-478-0818 Weapon Systems (WSDC) Weapon Systems (WSDC) 4820-01-478-0818

4820-01-478-0818 Stock, Inventory and Procurement DLA Procurement Analysis 4820-01-478-0818

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4820-01-478-0818 Management Data Management Data 4820-01-478-0818

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Oct 2022
Defense Logistics Agency (DS)
EA
Subscribe
1
Oct 2021
Department of the Navy (DN)
EA
Subscribe
1
Oct 2020
Department of the Navy (DN)
EA
Subscribe
1
Feb 2020
Defense Logistics Agency (DS)
EA
Subscribe
1

Navy Navy

Cognizance:
3B

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4820-01-478-0818 Freight Data Freight Information 4820-01-478-0818

4820-01-478-0818 has freight characteristics.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. 4820-01-478-0818 is rated as class 77.5 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 64490 which rates the freight between FCL and LCL. 4820-01-478-0818 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. 4820-01-478-0818 is not classified as a special type of cargo when transported by water. 4820-01-478-0818 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.

4820-01-478-0818 Packaging Data Packaging Data 4820-01-478-0818

Responsible Activity
Packaging Data Source
Primary Inventory Control Activity (PICA)
--

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation
--
--
--
--
--

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
--
--
--
PPP-B-566, PPP-B-676, or ASTM-D5118, Folding, Setup or Fiberboard Box
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
Any Suitable Fiber Box

4820-01-478-0818 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 4820-01-478-0818 October 2021

Criticality and Quality

Critical Item Code:
Flight Safety:
Life Support:
Certified Samples:
Serialization:
First Article Test (FAT):
Certificate of Quality Compliance:
Production Lot Testing:
Special Testing:
Qualified Products List (QPL):

Commercial Properties

Government Furnished Material:
Government Furnished Tooling:
Government Furnished Property:
Price Evaluation Code:
Diminshing Manufacturing Sources:
Warranty:
Commerical Off The Shelf (COTS):
End Item Application:
Auctioning Candidate:
Source of Procurement:
Contract Option:

Restrictions

Boeing Rights Guard:
Export Controlled:
Controlled Technical Data Package (TDP):
Restricted Technical Data Package (TDP):
Contains Classified Material
Weapons System Indicator Code (WSIC):
Z

Packaging Requirements

Packaging Determination Table:
Packaging Review Code:
N
Special Packaging Instruction Number (SPIN):
Special Packaging Instruction Number Revision:
Special Packaging Instruction Number Date:
Pallet Reference Number Required: