Model: 678A4

Valve Stem Guide

Properties:

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
NSN
2805-00-752-1811
Part Number
678A4
Description
Guide,valve Stem
CAGE
56442

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 678A4 NSN 2805-00-752-1811

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

Pricing & Availability Check

Submit this form for stock availability and pricing.
Part Number:
Quantity:
Email Address:
Phone Number:
Your Name:
Company:



Privacy Policy    Terms & Conditions

How to Order  

Ordering from buyaircraftparts.com

If you would like to order this valve stem guide (NSN 2805-00-752-1811) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours: 08:00-18:00 Eastern Standard Time
Phone: +1 470-231-0824
Email: Contact Form »
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

Highest Rated Parts
Recently Purchased Parts
Hot Parts