1651708-1

Spur Antibacklash Gear

NSN 3020-01-395-3984

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
1 EA
NIIN:
013953984

Product Features

One preload indication hole 0.0625 in. Diameter located axially through gear body both gears

Product Technical Spec.

Pitch Diameter:
2.2500 inches
Teeth Quantity:
72
Bore Style:
Plain both ends
Outside Diameter:
2.312 inches
Pressure Angle:
20.0000 degrees
Distance Between Body Face And Protruding Hub End:
0.239 inches second end
Face Width:
0.188 inches
Bore Diameter:
0.249 inches both ends
Hub Style Designator:
Split second end
Hub Diameter:
0.312 inches second end
Clamping Surface Length:
0.239 inches second end
Precision Classification:
Quality number 12
Material:
Aluminum alloy 2024 first gear
Material:
Aluminum alloy 2024 second gear
Material:
Steel comp 303 hub
Material:
Steel comp 303 spring
Material Specification:
Astm a582 assn standard single material response hub
Material Specification:
Qq-a-225/6 federal specification single material response first gear
Material Specification:
Qq-a-225/6 federal specification single material response second gear
Material Specification:
Qq-w-423, cond b federal specification single material response spring
Surface Treatment:
Anodize first gear
Surface Treatment:
Anodize second gear
Surface Treatment:
Passivate hub
Surface Treatment Specification:
Mil-a-8625, type 1 military specification single treatment response first gear
Surface Treatment Specification:
Mil-a-8625, type 1 military specification single treatment response second gear
Surface Treatment Specification:
Qq-p-35, type ii federal specification single treatment response hub
Style Designator:
Protruding hub
NSN:
3020-01-395-3984
Item Name:
Gear,antibacklash,spur
Cage Code:
29964

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
P14-4-72C-Q12
Cage Code:
00141
RNCC:
3
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
1651708
Cage Code:
29964
RNCC:
7
RNVC:
1
RNAAC:
ZZ
Status:
A
MSDS:
SADC:
Part Number:
DP144T72-CSP
Cage Code:
29964
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:
576
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 AIR FORCE Dept. of the Air Force
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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