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Shaft Collar NSN 3040-01-278-5515

Item Description

An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. It is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. A pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. Solid items have a bearing surface on one or both end(s) perpendicular to the axis. For items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see clamp, hub. See also bearing, sleeve; bushing, sleeve; spacer, sleeve; and coupling, shaft, rigid.

NSN 3040-01-278-5515 NSN: 3040-01-278-5515

Features and Characteristics

Chamfer Angle In Deg
45.0
Outside Diameter
4.250 inches
Thickness
3.880 inches
Bore Diameter
3.0020 inches
Largest Diameter Length
3.630 inches
Securing Hole Quantity
2
Angle Between Centerlines Of Securing Holes In Deg
90.0
Screw Thread Series Designator And Location
All holes unc
Securing Hole Type And Location
Threaded-countersunk all holes
Countersunk Hole Angle In Deg And Location
90.0 all holes
Thread Size And Location
0.375 inches all holes
Countersink Major Diameter And Location
0.4100 inches all holes
Special Features
Counterbore thd 3.375-8un-2b x 1.310 in. Lg, countersink 3.430 in. Diameter x 0.620 in. Lg
Material
Bronze
Material
Copper alloy
Style Designator
Round w/single chamfer
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
012785515
NSN
3040012785515

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
704-5940676 ITEM 3
Cage Code:
53711
Status:
A
MSDS:
Part Number:
1507-104 ITEM 3
Cage Code:
43689
Status:
A
MSDS:
Part Number:
1507-104
Cage Code:
43689
Status:
A
MSDS:
Part Number:
704-5940676
Cage Code:
53711
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 3040-01-278-5515
What are the manufacturers of nsn 3040012785515?
Does this nsn 3040012785515 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040012785515
An item designed to be mounted around a shaft to limit axial movement of the shaft and/or its assembled parts. it is secured directly to the shaft by use of a setscrew(s), pin(s), or the like, which may be a part of the item of supply. a pilot hole drilled in or through the wall(s) for drilling and pinning at application may be considered a method of securing. solid items have a bearing surface on one or both end(s) perpendicular to the axis. for items designed to be mounted around the extended hub portion of a mounted item on a shaft or clamp around a shaft, see clamp, hub. see also bearing, sleeve; bushing, sleeve; spacer, sleeve; and coupling, shaft, rigid.
Does nsn 3040012785515 contain any precious metals?
No precious metal content.
Does nsn 3040012785515 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040012785515?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13743
FIIG:
A231A0
App. Key:
B
Cond. Code:
1
Status:
A

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