Check Valve

NSN: 4820-01-257-4405 | Model: 482-1/2B1-2

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.

NSN Properties and Flags

NATO Stock Number

4820-01-257-4405

DEMIL

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Maximum Operating Temp

200.0 degrees fahrenheit single response

Connection Style

Plain, optional end (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 2nd end

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.500 inches all ends

Material

Steel comp 304 flow control device

Media For Which Designed

Hydraulic fluid, mineral base 2nd response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4820-01-257-4405 Datasheet

Supply Class (FSC):

Nonpowered Valves

Cross Reference:

482-1/2B1-2
482-1/2B1-2

Cage Codes:

Hannifin Corporation Parker (CAGE 09990)
Teledyne Industries Inc (CAGE 86768)

Schedule B & Trade:

Schedule B: 8481301090 (NAICS 332911)

Check valves of copper having a pressure rating of 850 kpa or over
SITC: 74730

Check valves
End Use: 21180

Industrial machines, other

Identification:

HMIC

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

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

050855 - Cocks r valves etc bbc sub2
WCC:

576 - Metal and metal products, nos, (less than 35 feet)
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
LTL:

P - 77.5
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
J
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
9b-----
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $289.17 to $481.95..
Does NSN 4820-01-257-4405 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy
What is the NIIN of NSN 4820-01-257-4405?
012574405 or 01-257-4405
Does NSN 4820-01-257-4405 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4820-01-257-4405?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jun 19, 1987