Model: 7539844

Valve Stem Guide

Properties:

Countersink Angle In Deg
90.0
Shoulder Diameter
Between 0.778 inches and 0.784 inches
Shoulder Length
0.160 inches
Overall Length
2.750 inches
Outside Diameter
1.120 inches
Taper Length
Between 0.190 inches and 0.250 inches
Taper Minor Diameter
0.775 inches
Bore Diameter
Between 0.5500 inches and 0.5520 inches
Metallic Hardness Rating
97.0 rockwell k
Major Diameter Length
Between 0.122 inches and 0.128 inches
Countersink Diameter
0.590 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
Between 0.757 inches and 0.758 inches
Bb End Chamfer Length
0.030 inches
Bb End Chamfer Angle In Deg
45.0
Aa End Chamfer Length
0.030 inches
Aa End Chamfer Angle In Deg
45.0
Shoulder First Fillet Radius
0.030 inches
Shoulder Second Fillet Radius
0.030 inches
Fillet Step Radius
0.060 inches
Length From Aa End To Largest Diameter Face
Between 1.302 inches and 1.308 inches
Material
Aluminum bronze
Material
Copper alloy
Style Designator
Stepped shoulder-tapered shank end
Fsc Application Data
Engine, gasoline, non-aircraft
NSN
2805-00-753-9844
Part Number
7539844
Description
Guide,valve Stem
CAGE
19207

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 7539844 NSN 2805-00-753-9844

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:
92.5
WCC:
586
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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