Model: 251065R1

Valve Stem Guide

Special Features:

Grooved to 9/16 in. Diameter at radius of 1/32 in. Having center 1/2 in. From bb end

Properties:

Countersink Angle In Deg

45.0

Overall Length

2.687 inches

Outside Diameter

0.626 inches

Bore Diameter

Between 0.3115 inches and 0.3125 inches

Metallic Hardness Rating

85.0 rockwell b and 100.0 rockwell b

Countersink Length

Between 0.010 inches and 0.020 inches

Bore Countersink

Included

Countersink Location

Aa end

Bore Counterbore

Not included

Bb End Chamfer Length

0.125 inches

Bb End Chamfer Angle In Deg

30.0

Aa End Chamfer Length

0.062 inches

Aa End Chamfer Angle In Deg

15.0

Material

Iron, e-6, no. 20 or 21, fscm 92679

Material

Iron, e-6, no. 20 or 21, fscm 92679

Style Designator

Plain

Fsc Application Data

Diesel engine

NSN

2815-00-355-3275

Part Number

251065R1

Description

Guide,valve Stem

CAGE

29510

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 251065R1 NSN 2815-00-355-3275

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:

0.1000lbs

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:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8409998000
SITC: 71392
End Use: Industrial engines
NAICS: 333618
USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi