3020-00-146-1350

Spur Antibacklash Gear email this page

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Reference of NSN 3020-00-146-1350 Reference of NSN 3020-00-146-1350

Model or part number: 71185

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About this product
Internal splines,21 teeth,120 pitch dia,0.154 minor dia,0.186 in. Major dia,0.0625 in. Lg,adjacent to second end counterbore

pdf NSN 3020-00-146-1350 Datasheet

MRC:
A measurement indicating the diameter-pitch per specific measurement scale of the item.AGJS
Pitch Diameter:
Between 0.9575 inches and 0.9582 inches
MRC:
The number of teeth included on the item.AJLA
Teeth Quantity:
92
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.ANTP
Bore Style:
W/counterbore both ends
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
25.0 rockwell c and 32.0 rockwell c
MRC:
The nominal length of a straight line which passes through the center of an item,and terminates at the outside circumference.CWCD
Outside Diameter:
0.978 inches
MRC:
The nominal dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.CWFR
Nominallength:
0.555 inches
MRC:
An indication as to whether the teeth are a standard depth or modified to a shorter depth.CWNH
Tooth Form:
Standard
MRC:
The measurement of the pressure angle on the item.CWPP
Pressure Angle:
20.0000 degrees
MRC:
The nominal distance between the body face and the protruding hub end.CWQL
Distance Between Body Face And Protruding Hub End:
0.244 inches first end
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.CWRM
Face Width:
0.311 inches
MRC:
The nominal length of a straight line which passes through the center of a bore,and terminates at the circumference.CWRS
Bore Diameter:
0.187 inches both ends
MRC:
A nominal measurement between specified points of the counterbore,in distinction from height.CWTB
Counterbore Depth:
0.156 inches both ends
MRC:
The nominal length of a straight line which passes through the center of the counterbore,and terminates at the circumference.CWTG
Counterbore Diameter:
0.500 inches both ends
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the hub.CWTR
Hub Style Designator:
1 step first end
MRC:
A nominal measurement of the longest dimension of the end of the item,in distinction from width.CWWH
End Length:
0.167 inches first end
MRC:
The quality designation of an item as determined by industry,association,or manufacturer standards.CWWK
Precision Classification:
Quality number 12
MRC:
The nominal length of a straight line which passes through the center of the end of the item,and terminates at the circumference.CWWN
End Diameter:
0.249 inches first end
MRC:
A nominal measurement of the longest dimension of the first step,in distinction from width.CWWS
First Step Length:
0.077 inches first end
MRC:
The nominal length of a straight line which passes through the center of the first step,and terminates at the circumference.CWXB
First Step Diameter:
0.625 inches first end
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 416
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Qq-s-764 federal specification single material response
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Passivate
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Protruding hub
MRC:
--
NIIN:
001461350
MRC:
--
NATO Stock Number:
3020-00-146-1350
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A27300
MRC:
--
INC:
26668
MRC:
--
IMM:
AX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 3020-00-146-1350

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.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8483409000
NAICS:
333612
End Use Class:
21180
SITC:
74840
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8483409000

Gears and Gearing, Other Than Toothed Wheels, Chain Sprockets and Other Transmission Elements Entered Separately

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74840

Gears and Gearing; Ball Screws; Gear Boxes and Other Speed Changers (including Torque Converters)

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
197339
NMF Description:
Wheels Cog/gear/pinion I/s
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
Z
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) Z

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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