Model: 254844

Valve Disk

Special Features:

Next higher assembly p/n 254844, manifold 3/4 stop check distilling system. Material is qq-c-390 alloy d5. Shank has 3 ribs equally spaced with 1 hole 0.094 inch diameter 0.250 inch from end. Flange has one hole 0.062 inch diameter at shank.

Properties:

Inside Diameter

0.406 inches

Shank Diameter

0.813 inches

Flange Diameter

1.438 inches

Overall Height

1.188 inches

Inside Depth

0.688 inches

End Application

Used on ssn 688 without change from the manifold used on ssn 837. Further shock qualification not required.

Under Flange Height

0.500 inches

Seat Angle

30.0 degrees

Material

Copper alloy

Media For Which Designed

Liquid

Style Designator

Poppet

NSN

4820-01-487-8025

Part Number

254844

Description

Disk,valve

CAGE

43689

An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

Part 254844 NSN 4820-01-487-8025

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

35224

FIIG:

A539Y0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

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:

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:

671

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481909090
SITC: 74790
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi