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Worldwide distributor of NSN parts and consumables located in the USA.

Valve Stem Guide

Model / MPN: 7521811 | NSN: 2805-00-752-1811
ITAR Registered seal

A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flang (s) and/or grooves.

Product Details
NATO Stock Number
2805-00-752-1811
Sold in multiples of
DEMIL
NO
Countersink Angle In Deg
45.0
Overall Length
2.906 inches
Outside Diameter
Between 0.6885 inches and 0.6890 inches
Taper Length
0.063 inches
Taper Minor Diameter
Between 0.684 inches and 0.686 inches
Bore Diameter
Between 0.4360 inches and 0.4370 inches
Metallic Hardness Rating
Not rated
Major Diameter Length
2.094 inches
Countersink Length
0.030 inches
Countersink Length
0.040 inches
Bore Countersink
Included
Countersink Location
Aa end and bb end
Bore Counterbore
Not included
Aa End Diameter
Between 0.665 inches and 0.675 inches
Aa End Chamfer Length
0.016 inches
Aa End Chamfer Angle In Deg
45.0
Bb End Radius
0.016 inches
Shoulder Second Fillet Radius
0.031 inches
Length From Aa End To Largest Diameter Face
0.688 inches
Material
Bronze
Material
Copper alloy
Style Designator
Stepped-stepped tapered shank end
Fsc Application Data
Engine, gasoline, nonaircraft
75218 Series Parts

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7521811 Cross Reference
  • 678A4
  • 913572