A168-2-1

Spur Antibacklash Gear

NSN 3020-01-425-8211

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
EA
NIIN:
014258211

Detail Specifications

Attachment Method:
Slot
End Application:
2320-01-123-1610
Pitch Diameter:
4.1250 inches
Teeth Quantity:
33
Bore Style:
Plain both ends
Outside Diameter:
4.359 inches
Pressure Angle:
20.0000 degrees
Distance Between Body Face And Protruding Hub End:
0.310 inches second end
Face Width:
0.250 inches
Bore Diameter:
0.187 inches both ends
Hub Style Designator:
Split second end
Hub Diameter:
0.248 inches second end
Clamping Surface Length:
0.250 inches second end
Precision Classification:
Quality number 10
Material:
Steel comp 303 first gear
Material:
Steel comp 303 hub
Material:
Steel comp 303 second gear
Material:
Steel comp 302 spring
Material Specification:
Astm-a313 assn standard single material response spring
Material Specification:
Astm-a582 assn standard single material response first gear
Material Specification:
Astm-a582 assn standard single material response hub
Material Specification:
Astm-a582 assn standard single material response second gear
Surface Treatment:
Passivate
Surface Treatment Specification:
Mil-std-171 military standard single treatment response
Style Designator:
Protruding hub
NSN:
3020-01-425-8211
Item Name:
Gear,antibacklash,spur
Cage Code:
26420

Manufacturer Part Numbers

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
12373388
Cage Code:
01365
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
12373388
Cage Code:
19207
RNCC:
5
RNVC:
9
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
12373388
Cage Code:
05606
RNCC:
5
RNVC:
9
RNAAC:
ZZ
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

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

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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Pricing & Availability

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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:
DEPARTMENT OF THE NAVY Dept. of the Navy
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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