3040-01-273-1178

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Reference of NSN 3040-01-273-1178

Model or part number: 625-8504-001

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About this product
No.4-40 unc-2b mounting holes are aligned in the shoulder face 89.0 deg min -91 deg max apart 0.160 in.Min-0.200 in.Max deep on a 0.462 in.Min -0.478 in.Max dia;shoulder face and back and hub end are chamfered at 0.010 in.Min -0.050 in.Max44 deg min-46 deg max;shaft access is chamfered at 0.000 in.-0.040in.Max 44 deg.Min -46 deg max both ends;hub is offset from center against shoulder by 0.013 in.Min,0.017 deg max to form an eccentric;securing hole qty:1;o/a length:1.117 in.Min,1.133 in.Max;securing hole size:4-40 unc-2b

Description

Teletypewriter Hub NSN 3040-01-273-1178.

pdf NSN 3040-01-273-1178 Datasheet

MRC:
None.ABNK
Shoulder Width:
Between 0.554 inches and 0.570 inches
MRC:
The length of a straight line which passes through the center of the shoulder,and terminates at the outside circumference.AGPX
Shoulder Outside Diameter:
Between 0.742 inches and 0.758 inches
MRC:
The length of a straight line hwich passes through the center of the hub,and terminates at the inside circumference.ALND
Hub Inside Diameter:
Between 0.189 inches and 0.191 inches
MRC:
None.CZLG
First End Hub Outside Diameter:
Between 0.278 inches and 0.280 inches
MRC:
None.CZLJ
Distance From First End Hub To Shoulder:
Between 0.555 inches and 0.571 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
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:
Comp 303 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:
Single hub w/ securing hol (s)
MRC:
--
NIIN:
012731178
MRC:
--
NATO Stock Number:
3040-01-273-1178
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A523Y0
MRC:
--
INC:
27782
MRC:
--
IMM:
AX AX
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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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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 3040-01-273-1178

A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes bearing, sleeve; bushing, sleeve; and collar, shaft.

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:
8483905000
NAICS:
333612
End Use Class:
21180
SITC:
74890
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8483905000

Parts Of Gearing, Gear Boxes and Other Speed Changers

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74890

Parts, N.e.s., For Transmission Shafts and Cranks, Bearing Housings, Gears, Gearing, Ball Screws, Gear Boxes, Flywheels and Pulleys, Clutches, Etc.

Manufacturers

This NSN is registered to the following cage codes.
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