138C517H01

Spur Antibacklash Gear

NSN 3020-01-317-5398

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
013175398

Detail Specifications

End Application:
5840-01-020-5631, radar set
Pitch Diameter:
1.7500 inches
Teeth Quantity:
42
Bore Style:
Plain both ends
Outside Diameter:
1.833 inches
Pressure Angle:
20.0000 degrees
Distance Between Body Face And Protruding Hub End:
0.240 inches first end
Face Width:
0.188 inches
Bore Diameter:
0.250 inches both ends
Hub Style Designator:
Split first end
Hub Diameter:
0.312 inches first end
Material:
Steel comp 303 body
Material:
Steel comp 303 hub
Material:
Steel comp 302 spring
Material Specification:
Qq-s-764 federal specification single material response body
Material Specification:
Qq-s-764 federal specification single material response hub
Material Specification:
Qq-s-766 federal specification single material response spring
Surface Treatment:
Passivate
Surface Treatment Specification:
Qq-p-35, type 2 federal specification single treatment response
Style Designator:
Protruding hub
NSN:
3020-01-317-5398
Item Name:
Gear,antibacklash,spur
Cage Code:
97942

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
138C517
Cage Code:
97942
RNCC:
7
RNVC:
1
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
LES-C1-42
Cage Code:
0MTR9
RNCC:
C
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
9F
Part Number:
P7-2-42-C
Cage Code:
00141
RNCC:
5
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
AP24B-42
Cage Code:
29440
RNCC:
5
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
DP72T42
Cage Code:
29964
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
LES-C1-42
Cage Code:
56262
RNCC:
5
RNVC:
9
RNAAC:
AX
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Part Materials

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:
121870
UFC:
64910
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Privacy | Terms

Definition Definition of approved item name (AIN): "Spur Antibacklash Gear"

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

MOE Major Organizational Entities

Entity
DSOR
User:
U.S. MARINE CORPS U.s. Marine Corps
DSOR:
Import / Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Classification: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately


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