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Recessed Washer NSN 5310-01-359-0253

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 5310-01-359-0253 NSN: 5310-01-359-0253

Features and Characteristics

Hole Diameter
Between 0.316 inches and 0.321 inches
Recess Diameter
Between 0.376 inches and 0.436 inches
Material Thickness
0.187 inches
Recess Angle
100.0 degrees
Special Features
Rectangular style, 0.700 in. Width; 1.000 in. Length
Material
Steel comp 321
Material Specification
Qq-s-766 federal specification single material response
FSC
5310 Nuts And Washers
NIIN
013590253
NSN
5310013590253

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
40A11998-2
Cage Code:
15090
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 5310-01-359-0253
What are the manufacturers of nsn 5310013590253?
Does this nsn 5310013590253 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013590253
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 5310013590253 contain any precious metals?
No precious metal content.
Does nsn 5310013590253 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013590253?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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