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NSN: 4820-00-001-6159
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NSN 4820-00-001-6159

Check Valve

Manufacturer Part Numbers

Part Number Name Cage Code
2C8140-4 Valve,check 99240

Management Codes

CTL: 9B----- (MOE: DN)
AAC: Terminal item. identifies items in stock, but future procurement is not authorized. requisitions may continue to be submitted until stocks are exhausted. preferred item national stock number is normally provided by application of the phrase: when exh
QUP: 1
SLC: 0

Freight Codes

NMF Desc: Faucets, Bibcocks, Gates Valves
NMFC: 051080
UFC: 29300
LTL: Rating variable
WCC: Metal and metal products, nos, (less than 35 feet)
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ASH: No special handling required.


DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.
Schedule B: 8481301090 – Check valves of copper having a pressure rating of 850 kpa or over
NIIN: 000016159

4820-00-001-6159 Datasheet

Connection Style: Flared (tube) all ends
Connection Type: Threaded external tube all ends
Disk Loading Method: Spring
Flow Control Device: Poppet
Material Document And Classification: Qq-s-763 class 4400 fed spec single material response flow control device
Material: Aluminum alloy seat
Material: Steel flow control device
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Media For Which Designed: Oil, hydraulic single response
Mounting Facility: Bulkhead
Mounting Position: Horizontal or vertical
Nominal Outside Diameter Tube Accommodated: 0.250 inches all ends
Nominal Thread Size: 0.438 inches all ends
Material Document And Classification: Qq-a-267, alloy 2024, t351 fed spec single material response seat
Seat Angle: 37.0 degrees all ends
Style Designator: Straight thru
Surface Treatment Document And Classification: Mil-a-8625,ty 2 mil spec single treatment response
Surface Treatment: Anodize
Thread Class: 3a all ends
Thread Direction: Right-hand all ends
Thread Quantity Per Inch: 20 all ends
Thread Series Designator: Unf 1st end
Valve Operation Method: Automatic

Questions & Answers

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
What NATO entities are users of this NSN?
Germany, Korea, Republic Of, and Turkey
How is national stock number 4820-00-001-6159 categorized?
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.
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is this item ITAR controlled?
No. This item is not ITAR Controlled.
When was this national stock number assigned to the federal catalog?
Sep 29, 1972