K1251MD4-22

Restrictor Check Valve

NSN 4820-00-035-6235

DEMIL

Shelf Life

UOM

NIIN

Demil:

Shelf Life:

N/A

UOM:

1 EA

NIIN:

000356235

Detail Specifications

Thread Class:

3a 1st end

Thread Class:

3b 2nd end

Thread Direction:

Right-hand 2nd end

Thread Direction:

Right-hand 1st end

Aperture Diameter:

0.250 inches

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Connection Style:

Flared (tube) 1st end

Connection Style:

Gasket seal (boss) 2nd end

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube 1st end

Connection Type:

Threaded internal boss 2nd end

Mounting Position:

Horizontal or vertical

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.437 inches 1st end

Thread Size:

0.438 inches 2nd end

Seat Angle:

37.0 degrees 1st end

Outside Diameter Tube Accommodated:

0.250 inches 1st end

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Material:

Plastic polytetrafluoroethylene packing and rubber packing

Material:

Steel comp 303 body

Material:

Steel flow control device

Material Specification:

66, aisi 303/sae 30303 federal standard single material response body

Material Specification:

Ams 5643 assn standard single material response flow control device

Material Specification:

Mil-p-25732 military specification 2nd material response packing

Media For Which Designed:

Fuel/oil, hydrocarbon single response

Style Designator:

Straight thru

Thread Series Designator:

Unf 1st end

Thread Series Designator:

Unjf 2nd end

NSN:

4820-00-035-6235

Item Name:

Restrictor Valve

Cage Code:

55469

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

Part Identification

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

20520

FIIG:

A530B0

Concept No.:

App. Key:

Cond. Code:

Status:

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.4000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

051080

UFC:

29300

LTL:

RATING VARIABLE

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Pricing & Availability

Submit this form for current pricing and availability quote on part number k1251md4-22 and/or cross reference parts.

Definition Definition of approved item name (AIN): "Restrictor Valve"

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.