Model: 254844 PC 14

Valve Stem Guide

Special Features:

Next higher assembly p/n 254844, manifold 3/4 stop check distilling system. Material is qq-c-390, alloy d5. Shoulder is hex shaped.

Properties:

Overall Length

0.875 inches

Outside Diameter

1.000 inches

Bore Diameter

0.5010 inches

End Application

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

Major Diameter Length

0.188 inches

Bb End Chamfer Length

0.062 inches

Bb End Chamfer Angle In Deg

45.0

Bb End Radius

0.125 inches

Shoulder First Fillet Radius

0.062 inches

Part Name Assigned By Controlling Agency

Sleeve

Material

Copper alloy

Material

Copper alloy

Style Designator

Plain flanged

NSN

4820-01-487-8388

Part Number

254844 PC 14

Description

Guide,valve Stem

CAGE

43689

A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.

Part 254844 PC 14 NSN 4820-01-487-8388

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

32562

FIIG:

T267-E

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:

594

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