Model: 28156783203

Valve Stem Guide

Special Features:

Aa end spiral groove pitch-30 per in., depth 3.190 in.Depth, bb end 5 degrees taper 0.120 to 0.190 in.Lg

Properties:

Countersink Angle In Deg
90.0
Shoulder Diameter
Between 0.778 inches and 0.784 inches
Shoulder Length
0.160 inches
Overall Length
3.440 inches
Outside Diameter
1.125 inches
Bore Diameter
Between 0.4830 inches and 0.4850 inches
Metallic Hardness Rating
85.0 rockwell b
Major Diameter Length
Between 0.122 inches and 0.128 inches
Countersink Diameter
0.562 inches
Bore Countersink
Included
Countersink Location
Aa end and bb end
Bore Counterbore
Not included
Aa End Diameter
Between 0.745 inches and 0.750 inches
Bb End Shank Diameter
0.689 inches
Bb End Chamfer Length
0.031 inches
Bb End Chamfer Angle In Deg
45.0
Aa End Chamfer Length
0.031 inches
Aa End Chamfer Angle In Deg
45.0
Shoulder First Fillet Radius
0.031 inches
Shoulder Second Fillet Radius
0.062 inches
Fillet Step Radius
0.031 inches
Length From Aa End To Largest Diameter Face
Between 1.302 inches and 1.308 inches
Material
Aluminum bronze, qq-b-679, comp 2
Material
Aluminum bronze, qq-b-679, comp 2
Style Designator
Plain-stepped shoulder
NSN
2815-00-678-3203
Part Number
28156783203
Description
Guide,valve Stem
CAGE
SCY13

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 28156783203 NSN 2815-00-678-3203

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
32562
FIIG:
T267-E
Concept No.:
App. Key:
EA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
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

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