NSN 3020-00-138-8136

Spur Antibacklash Gear
DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
--
NIIN:
001388136

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Product Definition Definition of approved item name (AIN): "GEAR,ANTIBACKLASH,SPUR"

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.

3020-00-138-8136 Spec. NSN part characteristics

MRC
Name
Detail
MRC:
ABSX
Attachment Method
Clamp
MRC:
AGJS
Pitch Diameter
1.5000 inches
MRC:
AJLA
Teeth Quantity
72
MRC:
ANTP
Bore Style
Plain both ends
MRC:
CWCD
Outside Diameter
1.5416 inches
MRC:
CWNH
Tooth Form
Standard
MRC:
CWPP
Pressure Angle
20.0000 degrees
MRC:
CWQL
Distance Between Body Face And Protruding Hub End
0.313 inches first end
MRC:
CWRM
Face Width
0.125 inches
MRC:
CWRS
Bore Diameter
0.250 inches both ends
MRC:
CWTR
Hub Style Designator
Split first end
MRC:
CWTX
Hub Diameter
0.313 inches first end
MRC:
CWWC
Clamping Surface Length
0.250 inches first end
MRC:
CWWK
Precision Classification
Quality number 12
MRC:
MATT
Material
Steel comp 303 hub
MRC:
MDCL
Material Specification
Qq-s-763, class 303, cond a federal specification single material response hub
MRC:
SFTT
Surface Treatment
Passivate hub
MRC:
STYL
Style Designator
Protruding hub

Cross Reference Parts Part numbers that meet the specification outlined on this page and set by the OEM

Part Number
Cage
RNCC
RNVC
DAC
RNAAC
Status
MSDS
SADC
Part Number:
AB150-72CT2498P2
Cage Code:
01351
RNCC:
3
RNVC:
2
DAC:
E
RNAAC:
AX
Status:
A
MSDS:
SADC:
Indicates a design/source control reference item
Inidicates part number has been superseded

Identification Item Identification Guide (IIG) and Item Name Code (INC)

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

Special material and handling

HMIC
PMIC
ESD
ENAC
ADPE
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
ADPE:
CRITL:
X
Hazmat (HMIC) N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Precious Metals (PMIC) U

Precious metal content is unknown

Criticality X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.