Model: 21355

Valve Spring Retainer Lock

Properties:

Casehardening Indicator
Not casehardened
Chamfer Length
0.031 inches
Chamfer Length
0.031 inches
Overall Height
Between 0.356 inches and 0.362 inches
Thread Provision
Unthreaded
Largest Inside Diameter
Between 0.510 inches and 0.516 inches
Largest Outside Diameter
0.8089 inches
Largest Outside Diameter
0.8089 inches
First Groove Width
0.062 inches
First Groove Width
0.062 inches
Second Groove Width
0.062 inches
Largest Top Countersink Diameter
Between 0.556 inches and 0.559 inches
Largest Outside Diameter Chamfer Angle In Deg
90.0
Distance Between First And Second Ridge Centers
Between 0.061 inches and 0.063 inches
Distance Between Second And Third Ridge Centers
Between 0.061 inches and 0.063 inches
Distance From Bottom To First Ridge Center
Between 0.052 inches and 0.062 inches
Outside Included Angle In Deg
20.0
Material
Bronze
Material
Copper alloy
Style Designator
Straight bore
Fsc Application Data
Engine, aircraft, reciprocating
NSN
2810-00-118-9500
Part Number
21355
Description
Lock,valve Spring Retainer
CAGE
00198

A metal item designed for the purpose of securing an engine or compressor valve and positioning the valve spring or valve spring retainer. Excludes cotter pins, straight pins, keys and washers.

Part 21355 NSN 2810-00-118-9500

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15883
FIIG:
T267-H
Concept No.:
App. Key:
HA
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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