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Recessed Washer NSN 5310-00-218-5130

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 5310-00-218-5130 NSN: 5310-00-218-5130

Features and Characteristics

Hole Diameter
Between 0.991 inches and 0.995 inches
Outside Diameter
Between 1.081 inches and 1.085 inches
Overall Height
Between 0.217 inches and 0.219 inches
Recess Depth
Between 0.189 inches and 0.191 inches
Material Thickness
0.0533 inches
Material
Steel comp 1117 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025
Material Specification
Aisi assn standard all material responses
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002185130
NSN
5310002185130

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
74520-7020
Cage Code:
44114
Status:
A
MSDS:
Part Number:
74520-7020F1241
Cage Code:
44114
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 5310-00-218-5130
What are the manufacturers of nsn 5310002185130?
Does this nsn 5310002185130 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002185130
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 5310002185130 contain any precious metals?
No precious metal content.
Does nsn 5310002185130 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002185130?
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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