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Hub Clamp NSN 3040-00-785-6557

Item Description

An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. The item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. Its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. For items designed to secure directly to a shaft by use of setscrews, pins, or the like, see collar, shaft. Excludes clamp, loop.

NSN 3040-00-785-6557 NSN: 3040-00-785-6557

Features and Characteristics

Counterbore Diameter
Between 0.1900 inches and 0.1950 inches
Counterbore Depth
Between 0.2500 inches and 0.2600 inches
Outside Diameter
Between 0.740 inches and 0.750 inches
Thickness
Between 0.220 inches and 0.225 inches
Bore Diameter
Between 0.2495 inches and 0.2505 inches
Plain Hole Diameter
Between 0.1190 inches and 0.1240 inches
Clamp Securing Hole Style
Threaded
Screw Thread Series Designator
Unc
Thread Size
0.112 inches
Material
Aluminum alloy, qq-a-225/8, alloy 6061, t6
Material
Aluminum alloy 6061
Material Specification
Qq-a-225/8, alloy 6061, t6 federal specification single material response
Surface Treatment
Chromate
Style Designator
Round sectional, two bolt secured
Surface Treatment
Chromate, mil-c-5541, class 3
FSC
3040 Miscellaneous Power Transmission Equipment
NIIN
007856557
NSN
3040007856557

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1786655
Cage Code:
10001
Status:
A
MSDS:
Part Number:
L336000156
Cage Code:
36090
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 3040-00-785-6557
What are the manufacturers of nsn 3040007856557?
Does this nsn 3040007856557 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3040007856557
An item designed to be mounted around the extended hub portion of a gear, wheel, or the like, to retain it securely to a shaft by compressing the slotted hub body. the item may also be used to clamp around a shaft, or the like, to prevent end motion or to retain it in position. its compression quality is derived from a screw(s) or bolt(s) which may be a part of the item of supply. for items designed to secure directly to a shaft by use of setscrews, pins, or the like, see collar, shaft. excludes clamp, loop.
Does nsn 3040007856557 contain any precious metals?
No precious metal content.
Does nsn 3040007856557 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3040007856557?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27781
FIIG:
A231A0
App. Key:
A
Cond. Code:
1
Status:
A

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