Model: 4H621

Valve Stem Guide

Properties:

Shoulder Diameter
1.062 inches
Shoulder Length
0.875 inches
Overall Length
4.250 inches
Outside Diameter
1.562 inches
Bore Diameter
Between 0.4400 inches and 0.4410 inches
Major Diameter Length
Between 0.431 inches and 0.436 inches
Bore Countersink
Not included
Bore Counterbore
Not included
Aa End Diameter
0.812 inches
Bb End Shank Diameter
0.813 inches
Bb End Chamfer Length
0.031 inches
Bb End Chamfer Angle In Deg
45.0
Aa End Chamfer Length
0.031 inches
Aa End Chamfer Angle In Deg
45.0
Shoulder Second Fillet Radius
0.031 inches
Length From Aa End To Largest Diameter Face
Between 0.439 inches and 0.444 inches
NSN
2815-00-691-9957
Part Number
4H621
Description
Guide,valve Stem
CAGE
11083

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 4H621 NSN 2815-00-691-9957

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 8409998000
  • SITC: 71392
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi

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