Model: 4390989

Nonvehicular Positive Clutch

Special Features:

Coat clutch parts with mil-g-81322 grease; run clutch in at 173 in lb ineach direction at approximately 20 rpmfor 1 minutes; reset clutch after run in to carry 173 in lbs and slip before 246 in lbs; lock with cres wire per ms33540, two turns; consists of clutch assembly, ball p/n 4390989, gear, spur, counterbored p/n 1090255, nut retainer p/n 2031255, washer, shim p/n 3090620-3; washer, flat p/n 3120453-43; flange, clutch p/n4730463, retainer, spring p/n 6200765, washer, spring tension p/n 28x14.2x1.25; wire lock p/n ms 20995c20, ball, bearing ferrous p/n ms19059-2408, set screw, self locking p/n nas1081c04a2

Properties:

End Application
Ef-111a ecs aircraft
Part Name Assigned By Controlling Agency
Clutch, positive
NSN
3010-01-137-2916
Part Number
4390989
Description
Clutch,positive,nonvehicular
CAGE

A clutch used in nonvehicular applications which transmits motion or power from the driving to the driven member by the engagements of interlocking projections and/or recesses in one member with matching recesses or projections in the other member.

Part 4390989 NSN 3010-01-137-2916

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
52277
FIIG:
A522P0
Concept No.:
App. Key:
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
126840
UFC:
64280
LTL:
85.0
LCL:
85.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8483604000
  • SITC: 74860
  • End Use: Industrial machines, other
  • NAICS: 333613
  • USDA: 1

Freight Class: Clutches and universal joints

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