Model: 3668

Valve Stem Guide

Properties:

Countersink Angle In Deg
60.0
Overall Length
Between 2.469 inches and 2.531 inches
Outside Diameter
Between 0.6260 inches and 0.6265 inches
Bore Diameter
Between 0.3635 inches and 0.3655 inches
Major Diameter Length
Between 1.4063 inches and 1.4687 inches
Countersink Length
0.031 inches
Bore Countersink
Included
Countersink Location
Bb end
Bore Counterbore
Not included
Aa End Diameter
Between 0.605 inches and 0.608 inches
Aa End Radius
0.031 inches
Shoulder First Fillet Radius
Between 0.126 inches and 0.250 inches
Material
Iron
Material
Iron
Style Designator
Plain, shouldered
Fsc Application Data
Gasoline engine, nonaircraft
NSN
2805-00-374-9448
Part Number
3668
Description
Guide,valve Stem
CAGE
80825

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 3668 NSN 2805-00-374-9448

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
133300
UFC:
63220
LTL:
RATING VARIABLE
LCL:
85.0
WCC:
593
TCC:
Z
SHC:
9
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

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