SMC509247

Spur Antibacklash Gear

NSN 3020-00-087-9733

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
000879733

Product Technical Spec.

Attachment Method:
Mounting hole
Pitch Diameter:
2.5000 inches
Teeth Quantity:
120
Bore Style:
Plain both ends
Mounting Hole Thread Series Designator:
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi):
40 transversely through hub, first end
Mounting Hole Thread Size:
0.113 inches transversely through hub, first end
Mounting Hole Type And Quantity:
1 threaded transversely through hub, first end
Outside Diameter:
2.5417 inches
Tooth Form:
Standard
Pressure Angle:
20.0000 degrees
Distance Between Body Face And Protruding Hub End:
0.250 inches first end
Face Width:
0.125 inches
Bore Diameter:
0.250 inches both ends
Hub Style Designator:
Plain first end
Hub Diameter:
0.563 inches first end
Precision Classification:
Quality number 10
Material:
Aluminum alloy 2024 body
Material:
Steel comp 303 hub
Material Specification:
Mil-s-7720 military specification single material response hub
Material Specification:
Qq-a-225/6 federal specification single material response body
Surface Treatment:
Anodize body
Surface Treatment:
Passivate hub
Surface Treatment Specification:
Mil-a-8625 military specification single treatment response body
Surface Treatment Specification:
Mil-f-14072, finish e300 military specification single treatment response hub
Style Designator:
Protruding hub
NSN:
3020-00-087-9733
Item Name:
Gear,antibacklash,spur
Cage Code:
80063

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
44-21567J01
Cage Code:
1VPW8
RNCC:
5
RNVC:
2
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
AB150-120-2498
Cage Code:
01351
RNCC:
5
RNVC:
2
RNAAC:
AX
Status:
A
MSDS:
SADC:
Part Number:
44-21567J01
Cage Code:
94990
RNCC:
5
RNVC:
9
RNAAC:
CL
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
5.0 X 5.0 X 1.0
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 ARMY Dept. of the Army
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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