Model: P28278B

Valve Stem Guide

Properties:

Counterbore Diameter
Between 0.510 inches and 0.520 inches
Counterbore Depth
0.469 inches
Overall Length
4.250 inches
Outside Diameter
Between 1.225 inches and 1.230 inches
Bore Diameter
0.5000 inches
Metallic Hardness Rating
27.0 rockwell c and 37.0 rockwell c
Counterbore Location
Aa end
Bore Countersink
Not included
Bore Counterbore
Included
Aa End Diameter
Between 0.870 inches and 0.873 inches
Bb End Shank Diameter
Between 0.808 inches and 0.814 inches
Bb End Chamfer Length
0.125 inches
Bb End Chamfer Angle In Deg
45.0
Aa End Chamfer Length
0.031 inches
Aa End Chamfer Angle In Deg
45.0
Material
Iron, cast
Material
Iron cast
NSN
2815-00-798-3532
Part Number
P28278B
Description
Guide,valve Stem
CAGE
95201

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 P28278B NSN 2815-00-798-3532

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
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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