NSN 4820-01-320-8184 NIIN 013208184 — Safety Relief Valve

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NSN

Item Name

Assigned

DEMIL

Shelf Life

UOM

Using Services

NSN:

		4820-01-320-8184
4820013208184

Description:

VALVE,SAFETY RELIEF

NSN Assigned:

04-JUN-90

DEMIL:

Shelf Life:

N/A

UOM:

1 EA

Using Services:

Navy

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Quality Commitment

Serving our customers with quality and safety first.

AS9120 Certified
Audited supply chain
ITAR Registered
DDTC Registered
HAZMAT Certified
Customer service objectives
Every product 100% inspected

4820-01-320-8184 Specification Set by the OEM (see RNCC code 3)

Flow Control Device ADQU:

diaphragm or stem

Bolt Hole Quantity AECS:

4 all ends

End Item Identification AGAV:

valves, nonpowered

Valve Operation Method AQLR:

manual

Flange Shape ARKN:

round with holes all ends

Connection Type AWLS:

flange all ends

Maximum Operating Pressure CQGM:

3500.0 pounds per square inch single response

Criticality Code Justification CRTL:

zzzy

Nominal Outside Diameter CWCD:

3.500in. all ends

Face To Face Distance CWCF:

3.500in.

Nominal Thickness CWCK:

0.340in. all ends

Bolt Circle Nominal Diameter CWCT:

2.380in. all ends

Flange Face Design CWDF:

plain all ends

Style Designator STYL:

Furnished Items And Quantity TMQY:

1 handwheel

Reference Number Differentiating Characteristics ZZZY:

cleaned in accordance with MIL-I-52211

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number

Cage

RNCC

RNVC

DAC

RNAAC

Status

MSDS

SADC

Part Number:

D841-4060

Cage Code:

96101

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Part Number:

D841-4060CP

Cage Code:

03950

RNCC:

RNVC:

DAC:

RNAAC:

Status:

MSDS:

SADC:

Identification Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Definition Definition of approved item name (AIN): "VALVE,SAFETY RELIEF"

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.

4820-01-320-8184 Material Hazmat, Precious Metals, Criticality, Enviroment, and ESD

HMIC

PMIC

ESD

ENAC

ADPE

CRITL

HMIC:

PMIC:

ESD:

ADPE:

CRITL:

Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) A

Item does not contain precious metal.

ADPE 0

Represents items with no adp components

Criticality Y

The item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restrictions or application.

Identification Codes

HMIC: Hazardous Material Indicator Code. A one position code that identifies a hazardous item.

PMIC: Precious Metal Indicator Code. A one position code which identifies items that have precious metals as part of their content. precious metals are those metals generally considered to be uncommon, highly valuable, and relatively superior in certain properties such as resistance to corrosion and electrical conductivity.

ESD: Electrostatic Discharge. Indicates if an item is susceptible to electrostatic discharge or electromagnetic interference damage. electrostatic discharge damage occurs when an accumulation of static electricity generated by the relative motion or separation of materials is released to another item by direct contact. electromagnetic interference damage occurs when an item comes into proximity with an electrostatic or magnetic field.

ENAC: Enviromental Attribute Code. Identifies items with environmentally preferred characteristics.

CRITL: Criticality Indicator Code. Indicates an item is technically critical by tolerance, fit, application, nuclear hardness properties, or other characteristics.

Material Management Material categorization and source of supply

SOS

SMIC

MMAC

MCC

SOS:

SMS

SOS:

MMAC:

MCC:

SOS:

SMS

SOS:

MMAC:

MCC:

Source of Supply (SOS) SMS

Defense logistics agency, enterprise business systems

Special Material (SMIC) CP

Items that require special cleaning and packaging for oxygen/nitrogen service (e.g. Valves, piping systems, generators).

Material Codes

SOS: Source of Supply. A three position code or routing identifier code (ric), which identifies the source of supply activity.

SMIC: Special Material Indicator Code. A two position code, which categorizes material on the basis of requirements for source or quality control, technical design or configuration control, procurement, stocking and issue control, special receipt, inspection, testing, storage, or handling.

MMAC: Material Management Aggregation Code. A two position code that identifies an item of supply to be managed by a specific activity manager.

MCC: Material Echelon Code. A two position code employed by the marine corps in classifying items into categories by materiel category and procurement echelon. the alphanumeric management code is in the first position and identifies the materiel category

IMC: Denotes wether items shall be subjected to integrated management under the defense supply agency or retained by the individual military service or other department of defense components for their management. Assigned by th activity responsible for item management coding.