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4820-00-452-9304

Safety Relief Valve

4820004529304 004529304 221154N 1131097-C-1 13217E1085 482604 N-14525-B 221154 160425

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

4820-00-452-9304 VALVE,SAFETY RELIEF 4820004529304 004529304

Managed by United States
NSN Created on 1 Jan 1961
Data Last Changed
May 2023
NATO Update Count
21
NATO Data Quality
STYL Style C3 for 4820-00-452-9304 1/1
NSN 4820-00-452-9304 (Identification) 1/1

4820-00-452-9304 Stock and Availability Marketplace 4820-00-452-9304

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4820-00-452-9304 Demil Restrictions 4820-00-452-9304

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

4820-00-452-9304 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. The precious metals content of this item is unknown.

4820-00-452-9304 HTS and ScheduleB Import and Export 4820-00-452-9304

4820-00-452-9304 End Users End Users 4820-00-452-9304

US Army (A920)
Effective Date:
1 Jul 2005
Former MOE Rule:
A181
Supplementary Receivers:
BF
US Navy (N9BC)
Effective Date:
1 Jul 2005
Supplementary Collaborators:
HD

4820-00-452-9304 Manufacturers Approved Sources 4820-00-452-9304

4820-00-452-9304 Technical Data Datasheet 4820-00-452-9304

Characteristic
Specifications
FIIG
A046B0
Material [MATT]
Copper Alloy Body
Material [MATT]
Steel Flow Control Device
Material [MATT]
Copper Alloy Seat
Style Designator [STYL]
Angle
Flow Control Device [ADQU]
Ball
Media For Which Designed [MEDA]
Air Single Response
Maximum Operating Pressure [CQGM]
175.0 Pounds Per Square Inch Single Response
Valve Operation Method [AQLR]
Automatic
Connection Type [AWLS]
Threaded External Pipe 1St End
Connection Style [AHNC]
Plain (Pipe) 1St End
Thread Series Designator [THSD]
Npt 1St End
Nominal Thread Size [CQJX]
0.250 Inches 1St End
Thread Direction [AAJF]
Right-Hand 1St End
Disk Loading Method [ADSU]
Weight
Opening Pressure Setting [CSDC]
175.0 Pounds Per Square Inch

4820-00-452-9304 Weapon Systems (WSDC) Weapon Systems (WSDC) 4820-00-452-9304

4820-00-452-9304 Stock, Inventory and Procurement DLA Procurement Analysis 4820-00-452-9304

DLA Administrative Lead Time:
Subscribe
DLA Production Lead Time:
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4820-00-452-9304 Management Data Management Data 4820-00-452-9304

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Mar 2023
Department of the Navy (DN)
EA
Subscribe
1
Oct 2022
Department of the Army (DA)
EA
Subscribe
1
Oct 2021
Defense Logistics Agency (DS)
EA
Subscribe
1
Oct 2020
Defense Logistics Agency (DS)
EA
Subscribe
1
Feb 2020
Department of the Army (DA)
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)
N
X
Formerly 4310
Defense Logistics Agency (DS)
I
X
Formerly 4310

Army Army

Materiel Category and Inventory Manager:
J
Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity:
2
Stock Fund Secondary Items
Management Inventory Segment:
2
Non-Repairable Items(Exclusive of Insurance and Provisioning Items)
This code will be used to identify items, which are not reparable.
Weapons System / End Item / Homogeneous Group:
00
DLA/GSA Material
DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements:
X
Expendable item.An item of Army property coded with an ARC of X in the AMDF. Expendable items require no formal accountability after issue from a stock record account.Commercial and fabricated items similar to items coded X in the AMDF are considered expendable items.

Navy Navy

Cognizance:
9B
Navy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg

4820-00-452-9304 Related Items NATO Stock Numbers Related to 4820-00-452-9304

4820-00-452-9304 Freight Data Freight Information 4820-00-452-9304

4820-00-452-9304 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. 4820-00-452-9304 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. 4820-00-452-9304 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. 4820-00-452-9304 is not classified as a special type of cargo when transported by water. 4820-00-452-9304 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.

4820-00-452-9304 Packaging Data Packaging Data 4820-00-452-9304

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
--
--
Bare Metal Item
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
--
--
--
Preservative Coating Only
Any Suitable Process
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
MIL-PRF-21260, Preservative and Break-in Lubricating Oil, Internal Combustion Engine, Grade 10, 30 or 50
--
--
--
MIL-DTL-117, Type II, Class C, Style 1, Heavy Duty, Waterproof, Greaseproof, Opaque Bag
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
ASTM-D5118, Type CF, Class Weather-Resistant, Corrugated Fiberboard Box

4820-00-452-9304 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 4820-00-452-9304 October 2021

Criticality and Quality

Critical Item Code:
X
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):
W

Packaging Requirements

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