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Sleeve Bushing NSN 3120-01-173-0376

Item Description

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes bushing, drill, jig.

NSN 3120-01-173-0376 NSN: 3120-01-173-0376

Features and Characteristics

Hole Diameter
0.2500 inches second and 0.2509 inches second
Overall Length
3.2200 inches
Body Outside Diameter
Between 0.9960 inches and 0.9980 inches
Body Inside Diameter
0.5500 inches
Corner Shape
Square outside right corner
Surface Finish
63.0 microinches
Antirotation/lubrication Type And Quantity
2 hole
Surface Groove Location And Quantity
1 external
Special Features
Outside right corner relieved to 0.860 in. Dia, 0.180 in. Long; external groove located 1.245 in. From outside left corner, 0.400 in. Wide, 0.750 in. Dia, double champhered left corner 0.038 in. Long by 20.0 degrees angle first and 0.210 in. Long by 37.0 degrees angle second, champhered right corner 0.050 in. Long by 45.0 degrees angle; three counterbores in inner diameter, first counterbore from left inside corner 1.000 in. Deep and 0.870 in. Dia, second counterbore from right inside corner 1.430 in. Deep and 0.675 in. Dia., third counterbore from right inside corner 0.530 in. Deep and 0.7031 in. Dia
Material
Steel uns k44220 or steel uns k44315
Material Specification
Mil-s-8844, class 3 military specification single material response
Surface Treatment
Oil
Surface Treatment Specification
Mil-c-16173, grade 3 military specification single treatment response
Style Designator
17c solid, plain, no outside flanges
Test Data Document
76301-ps21202, class a standard (includes industry or association standards, individual manufactureer standards, etc.). And 76301-ps21205 standard (includes industry or association standards, individual manufactureer standards, etc.).
FSC
3120 Unmounted Plain Bearings
NIIN
011730376
NSN
3120011730376

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
75A430752-2001
Cage Code:
76301
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482997060
  • NAICS: 332991
  • SITC: 74699
  • Description: Parts, nesoi, for cylindrical roller bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-173-0376
What are the manufacturers of nsn 3120011730376?
Does this nsn 3120011730376 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120011730376
A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. the overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. for items made of rubber, see bushing, nonmetallic. see also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. excludes bushing, drill, jig.
Does nsn 3120011730376 contain any precious metals?
No precious metal content.
Does nsn 3120011730376 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120011730376?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13206
FIIG:
A045A0
App. Key:
K
Cond. Code:
2
Status:
A

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  •   Quality Inspected Parts
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