Model: 291-0021-00

Valve Stem Guide

Properties:

Counterbore Diameter
0.343 inches
Counterbore Depth
0.625 inches
Overall Length
2.690 inches
Outside Diameter
0.626 inches
Taper Length
0.794 inches
Taper Minor Diameter
0.522 inches
Bore Diameter
0.3220 inches
Counterbore Location
Bb end
Bore Countersink
Not included
Bore Counterbore
Included
Aa End Chamfer Length
0.063 inches
Aa End Chamfer Angle In Deg
45.0
Material
Steel
Material
Steel
Style Designator
Plain-tapered shank end
NSN
2805-00-870-6048
Part Number
291-0021-00
Description
Guide,valve Stem
CAGE
10391

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 291-0021-00 NSN 2805-00-870-6048

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

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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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