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4820-01-197-4957

Pressure Relief Safety Head

4820011974957 011974957 1/2100SA

An item of varying shape and size consisting of a metallic body which incloses a nonreusable metallic or nonmetallic disk(s), which is designed and calibrated to burst at a given pressure. It may be used independently, or in conjunction with relief valves to relieve overpressure, and to protect relief valve(s) from corrosive conditions. Excludes VALVE, SAFETY RELIEF and PLUG, FUSIBLE. For items furnished with a disk, see HEAD AND DISK, SAFETY, PRESSURE RELIER. View more Pressure Relief Safety Head

4820-01-197-4957 HEAD,SAFETY,PRESSURE RELIEF 4820011974957 011974957

Managed by United States
NSN Created on 21 Dec 1984
Data Last Changed
May 2023
NATO Update Count
3
NATO Data Quality
4820-01-197-4957 HEAD,SAFETY,PRESSURE RELIEF 4820011974957 011974957 1/1
NSN 4820-01-197-4957 (Generic Image) 1/1

4820-01-197-4957 Stock and Availability Marketplace 4820-01-197-4957

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4820-01-197-4957 Related Documents Related Documents 4820-01-197-4957 2+ Documents (More...)

-4958 Pressure Relief Safety Head 633D7657RNCC: D | RNVC: 9 | MEDALS: Y | DAC: A 21 Dec 1984 4820-01-197-4957
461-6090 Rupturable Disk RUPTUREDISKBU1-2INSTEEL3000PSIRNCC: 3 | RNVC: 2 | DAC: 4 9 May 1969 4820-01-197-4957

4820-01-197-4957 Demil Restrictions 4820-01-197-4957

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

4820-01-197-4957 is a Pressure Relief Safety Head 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.

4820-01-197-4957 HTS and ScheduleB Import and Export 4820-01-197-4957

4820-01-197-4957 End Users End Users 4820-01-197-4957

National Security Agency (DGX1)
Effective Date:
1 Dec 2004

4820-01-197-4957 Manufacturers Approved Sources 4820-01-197-4957

4820-01-197-4957 Technical Data Datasheet 4820-01-197-4957

Characteristic
Specifications
FIIG
A512U0
Head Material [CYNE]
Steel Corrosion Resisting
Head Type [AJGD]
Screw
Head Size [BKJW]
0.500 Inches
End Connection Type [AWZY]
Threaded
Burst Pressure [CSWK]
10000.0 Pressure Pounds Per Square Inch Gage
Burst Temperature [CYNP]
100.0 Deg Fahrenheit

4820-01-197-4957 Stock, Inventory and Procurement DLA Procurement Analysis 4820-01-197-4957

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4820-01-197-4957 Management Data Management Data 4820-01-197-4957

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
Defense Logistics Agency (DS)
EA
Subscribe
1
Aug 2020
Department of the Navy (DN)
EA
Subscribe
1
Oct 2019
Defense Logistics Agency (DS)
EA
Subscribe
1

Navy Navy

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

4820-01-197-4957 Related Items NATO Stock Numbers Related to 4820-01-197-4957

4820-01-197-4957 Freight Data Freight Information 4820-01-197-4957

4820-01-197-4957 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. 4820-01-197-4957 is rated as a variable freight class when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 29300 which rates the freight between FCL and LCL. 4820-01-197-4957 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 576 for ocean manifesting and military sealift. 4820-01-197-4957 is not classified as a special type of cargo when transported by water. 4820-01-197-4957 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.

4820-01-197-4957 Packaging Data Packaging Data 4820-01-197-4957

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
--
--
--
Physical Protection
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
ASTM-D5118, Type CF, Class Weather-Resistant, Corrugated Fiberboard Box

4820-01-197-4957 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 4820-01-197-4957 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):
N

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: