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Recessed Washer NSN 5310-01-134-8752

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 5310-01-134-8752 NSN: 5310-01-134-8752

  Stock Availability

NSN 5310011348752 availability
(as of 09/11/2023).

  • NE: 5872
  • NS: 174
  • SV: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Hole Diameter
Between 0.439 inches and 0.443 inches
Outside Diameter
Between 0.821 inches and 0.831 inches
Recess Diameter
Between 0.539 inches and 0.569 inches
Material Thickness
Between 0.071 inches and 0.085 inches
Hardness Rating
Between 39.0 rockwell c and 45.0 rockwell c
Recess Angle
90.0 degrees
Material
Steel comp 4130
Material Specification
Mil-s-6758 military specification single material response and mil-s-18729 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
011348752
NSN
5310011348752

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS21299-C7
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
MS21299C7
Cage Code:
80205
Status:
A
MSDS:
Part Number:
10109710
Cage Code:
A486G
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 5310-01-134-8752
What are the manufacturers of nsn 5310011348752?
Does this nsn 5310011348752 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011348752
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 5310011348752 contain any precious metals?
No precious metal content.
Does nsn 5310011348752 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011348752?
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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