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Last Modified: May 26, 2019

NSN 4820-00-003-0997 Valve, Check

MFG Part Numbers: 4839229-4, 74839229

Cross Reference Parts for NSN 4820-00-003-0997

MFG Part Number ISC RNVC RNCC HCC MSDS SADC DAC

4839229-4

2 2 3 6

74839229

2 2 3 6

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Part Information for NSN 4820-00-003-0997 (4820000030997)

Item Name: VALVE,CHECK
Federal Supply Class (FSC): 4820
NIIN: 00-003-0997 (000030997)
Definition: A valve permitting flow in one direction only. it does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. it may be inline or cartridge (manifold) design.
NMF Description: PRESSURE REG/RED/RELIEF VALVES NOI

Item Specifics

Federal Supply Class (FSC)
Valves Nonpowered
Connection Style
Flared (tube) 1st end AHNC
Connection Style
Gasket seal (boss) 2nd end AHNC
Connection Type
Threaded external tube 1st end AWLS
Connection Type
Threaded internal boss 2nd end AWLS
Disk Loading Method
Spring ADSU
Flow Control Device
Ball ADQU
Material
Steel body MATT
Material
Steel flow control device MATT
Mounting Position
Horizontal or vertical BBJX
Nominal Outside Diameter Tube Accommodated
0.375 inches 1st end CWFD
Nominal Outside Diameter Tube Accommodated
0.375 inches 2nd end CWFD
Nominal Thread Size
0.562 inches 2nd end CQJX
Nominal Thread Size
0.562 inches 1st end CQJX
Seat Angle
37.0 degrees 1st end CQRB
Style Designator
Straight thru STYL
Thread Class
2a 1st end AAJD
Thread Class
2b 2nd end AAJD
Thread Direction
Right-hand 1st end AAJF
Thread Direction
Right-hand 2nd end AAJF
Thread Quantity Per Inch
18 2nd end CMLP
Thread Quantity Per Inch
18 1st end CMLP
Thread Series Designator
Un 2nd end THSD
Thread Series Designator
Un 1st end THSD
Valve Operation Method
Automatic AQLR

Trade Control Compliance Schedule B Export Code: A ten position numeric code that identifies an item exported overseas. this unique identification code is assigned by the U.S. Census Bureau.

Schedule B Sch. B Description Demilitarization Classification ITAR Regulation
8481302090 Check valves of steel Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9). Unclassified Not ITAR Controlled

MOE / End Users Represents the subdivisions of a US governmental organization or an agency of the North Atlantic Treaty Organization (NATO), and other friendly governments and international organizations participating in the federal catalog program.

Country / Entity Name MOE
Department Of The Air Force
Department Of The Air Force ZZ

Material & Special Handling Item material and handling information

Code Description Value Meaning
HMIRS 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 Indicator U Precious metal content is unknown
Criticality Code X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

National Motor Freight NMFC: A six position numeric code, which divides articles into groups or classes according to physical characteristics. The classification is based on truckloads vs. less than truckload.

Code Description Code Value Meaning
NMF Description NMFC 127220 Pressure Reg/red/relief Valves Noi
Less than a truck load rating LTL P 77.5
Water Commodity WCC 594 Pumps and parts, (machinery and parts),(less than 35 feet)
Type of Cargo TCC Z No special type of cargo code applicable
Special Handling SHC 9 Other or no special handling required (sh)
Air Dimension Code ADC A Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity ACC V Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing and special purpose vehicles, trailers, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling ASH Array No special handling required.

Item Identification | Valves, Nonpowered

4820-00-003-0997, A valve permitting flow in one direction only. it does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. it may be inline or cartridge (manifold) design.

Supply Class (FSC)NSN AssignmentNIINItem Name Code (INC)
4820 May 13, 1972 000030997 05487 (Valve, Check)

Check Valves Cross Reference

4839229-4 Cage Code 0AHU0
74839229 Cage Code 0AHU0

Codes

COUNTRY CODE: 00
CIIC: U
DML: A
HMIC: N
MGMT CTRL: SF9SX-N
SOS: SMS
INC: 5487
WEAPON SYSTEM: SHIPBOARD MATERIAL HANDLING EQUIPMENT (MHE)
AAC: J
CRITL CODE: X
DEMIL CODE: A
S A: DN
MGMT CTL: J2200X-
NIIN ASGMT: 13-MAY-72
QUP: 0
SLC: 0
UI: EA
CAGE: 0AHU0
RNCC: 3
RNVC: 2

Management

Air Force Flag

Air Force

Fund SF – Stock fund applicable to items managed for the air force by the respective inventory control point.
Budget 9 – Air force decentrally managed
Material Management SX – Brac mmac for oc-alc
Price Validation N – The current standard price in the catalog management data (cmd) has not been analyzed or coded for lp/lm. -the price has not been analyzed or reviewed for accuracy. -zop or standard price challenges are permissible, but must be supported with adequate justification. however, if coded for local purchase (lp) or fabrication/manufacture as indicated with an (lm) acquisition advice code of l" or "f", the case must be evaluated locally where purchased or fabricated."
Air Force Flag

Air Force Management Code Definition

Fund A two position code that classifies an item into categories in terms of funding and budgeting.
Budget Identifies investment items to budget programs from which item is funded.
Material Management Identifies an item of supply to be managed by a specific activity manager.
Price Validation Indicates validity of the recorded unit price.
Navy Flag

Navy

Cognizance 3B – Naval inventory control point, mechanicsburg
Special Material
Requisition Restriction
Special Material Content
Navy Flag

Navy Management Code Definition

Cognizance (COG) Identifies the inventory manager (IM) and inventory control point (ICP).
Special Material (SMIC) 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
Req. Restriction (IRRC) Item requisition instructions.
Special Material (SMCC) Indicated that an item represents or contains peculiar material requiring special treatment, precautions, or management.
Army Flag

Army

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.
Material Category 1 J – Ground forces support materiel (dla/gsa items)
Material Category 2 2 – Stock fund secondary items
Material Category 3 2 – Nonreparable items (exclusive of insurance and provisioning items). this code will be used to identify items which are not reparable.
Material Category 4 & 5 00 – Dla/gsa-managed items that cannot be identified to a specific army weapons systems/end item
Army Flag

Army Management Code Definition

Accounting Requirements Accounting Requirements Code (ARC): a one position alpha code that indicates the accountability of an item of supply.
Material Category 1 Material category and inventory manager.
Material Category 2 Appropriation and budget activity account.
Material Category 3 Management inventory segment.
Material Category 4 & 5 Specific group / generic category.
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