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Recessed Washer NSN 5310-00-470-8171

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-00-470-8171 NSN: 5310-00-470-8171

Features and Characteristics

Hole Diameter
Between 0.555 inches and 0.565 inches
Outside Diameter
Between 0.865 inches and 0.885 inches
Recess Diameter
Between 0.622 inches and 0.642 inches
Material Thickness
Between 0.175 inches and 0.185 inches
Recess Angle
90.0 degrees
Special Features
Od has 0.060 in. Radius on side opposite recess
Material
Steel comp 4130
Material Specification
66 federal standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
004708171
NSN
5310004708171

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
P547-8-2-2
Cage Code:
81755
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-470-8171
What are the manufacturers of nsn 5310004708171?
Does this nsn 5310004708171 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004708171
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310004708171 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004708171 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004708171?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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