3020-00-098-1781

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Reference of NSN 3020-00-098-1781 Reference of NSN 3020-00-098-1781 Reference of NSN 3020-00-098-1781 Reference of NSN 3020-00-098-1781

Model or part number: 321250

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About this product
Securing holescounterbored 0.312 in. Diaby .037/.077 in. Deep,onerectangular notch located in outer edge,base of notch 1.530/1.540 in. From center,0.498/0.501 in. W

Description

Sheave NSN 3020-00-098-1781.

pdf NSN 3020-00-098-1781 Datasheet

MRC:
The length of a straight line which passes through the center of the largest cross section of a spline,and terminates at the circumference.AAUJ
Spline Major Diameter:
0.682 inches
MRC:
A measurement between specified points of a groove,in distinction from height.ABGA
Groove Depth:
0.187 inches
MRC:
The length of a straight line which passes through the center of an item,and terminates at the outside circumference.ABHE
Outside Diameter:
4.375 inches
MRC:
The length of a straight line which passes through the center of a bolt circle,and terminates at the circumference.ABKG
Bolt Circle Diameter:
2.500 inches
MRC:
The number of splines on or in the item.ABSA
Spline Quantity:
12
MRC:
The length of a straight line which passes through the center of the smallest cross section of a spline,and terminates at the circumference.ABSC
Spline Minor Diameter:
Between 0.560 inches and 0.563 inches
MRC:
The length of a straight line which passes through the center of a drilled hole,and terminates at the circumference.AGGP
Drilled Hole Diameter:
Between 0.191 inches and 0.194 inches
MRC:
The angle of the v groove,expressed in degrees.AGGS
V Groove Angle In Deg:
30.0
MRC:
The number of holes provided for securing the item in a fixed position.AHYF
Securing Hole Quantity:
18
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Aluminum alloy, 24st, aluminum co of america or aluminum alloy, ams 4037,
MRC:
A measurement taken at right angles to the length of the face,in distinction from thickness.AQPL
Face Width:
Between 0.225 inches and 0.250 inches
MRC:
The physical configuration of the item.ARJD
Design Form:
Plain
MRC:
Indicates the type of bore used on the item.ASBP
Bore Type:
Involute spline
MRC:
An indication of whether or not bearings are included.AWJQ
Bearings:
Not included
MRC:
The pressure angle of the spline,expressed in degrees.AXFG
Spline Pressure Angle In Deg:
30.0
MRC:
A measurement of the longest dimension of a spline,in distinction from width.AXFH
Spline Length:
Between 0.223 inches and 0.225 inches
MRC:
The number of grooves provided.AXHQ
Groove Quantity:
1
MRC:
A measurement of the spline pitch diameter.BDTX
Spline Pitch Diameter:
0.6000 inches
MRC:
Indicates the location of the hole on the item.BFYT
Hole Location:
Holes equally spaced, 1st hole in line w/centerline through spline grooves within 0.030
MRC:
The means by which the item is secured.BSNP
Securing Method:
Drilled hole
MRC:
An indication of whether or not a split hub feature is included.BSYG
Split Hub Feature:
Not included
MRC:
An indication of whether or not a lightening hole/s/ is included.BXSJ
Lightening Hole:
Not included
MRC:
An indication of whether or not an integral cooling vane(s) is included.BXSK
Integral Cooling Vane:
Not included
MRC:
The physical configuration of the groove.BXSM
Groove Shape:
V
MRC:
An indication of whether or not a bore feature is included.BYDS
Bore Feature:
Included
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:
Painted, hs35 73030
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain
MRC:
Consists of plating,dip,and/or coating that cannot be wiped off.plating and/or coating is any chemical and/or metallic additive,electrochemical,or mild mechanical process which protects a surface.SURF
Surface Treatment:
Painted, hs35 73030
MRC:
--
NIIN:
000981781
MRC:
--
NATO Stock Number:
3020-00-098-1781
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
T353-A
MRC:
--
INC:
08109
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 3020-00-098-1781

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see block, tackle. for items specifically designed for aviation, see pulley(1), groove, aviation.

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:
8487900080
NAICS:
333999
End Use Class:
21180
SITC:
74999
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8487900080

Machinery Parts Not Containing Electrical Features, and Not Specified Or Included Elsewhere In Chapter 84, Except Ships' Propellers

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74999

Machinery Parts, Not Containing Electrical Connectors, Insulators, Coils, Contacts Or Other Electrical Features, N.e.s.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
127320
NMF Description:
Noi Pulleys/sheaves
UFC:
64560
LTL:
70.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
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) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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