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Recessed Washer NSN 5310-00-283-0989

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 5310-00-283-0989 NSN: 5310-00-283-0989

Features and Characteristics

Hole Diameter
Between 1.251 inches and 1.252 inches
Outside Diameter
1.625 inches
Overall Height
Between 0.092 inches and 0.096 inches
Recess Diameter
1.376 inches
Recess Depth
0.062 inches
Material Thickness
Between 0.092 inches and 0.096 inches
Special Features
0.062 in. By 45.0 degrees chamfer on both od edges
Material
Steel comp 4140 and steel comp 4150
Material Specification
Qq-s-624 federal specification 1st material response or qq-s-624 federal specification 2nd material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
002830989
NSN
5310002830989

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8691013
Cage Code:
19207
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 5310-00-283-0989
What are the manufacturers of nsn 5310002830989?
Does this nsn 5310002830989 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310002830989
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 5310002830989 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310002830989 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310002830989?
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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