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Recessed Washer NSN 5310-00-060-9158

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 5310-00-060-9158 NSN: 5310-00-060-9158

Features and Characteristics

Hole Diameter
Between 0.755 inches and 0.775 inches
Outside Diameter
2.250 inches
Overall Height
Between 0.330 inches and 0.350 inches
Recess Depth
Between 0.117 inches and 0.122 inches
Material Thickness
0.250 inches
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Heat Treatment
As fabricated
Material
Steel comp 4340
Material Specification
Aisi assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Cva 5-2, fscm 80378 mfr ref single treatment response
Style Designator
Recessed
Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
FSC
5310 Nuts And Washers
NIIN
000609158
NSN
5310000609158

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
215-34626-1
Cage Code:
80378
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 5310-00-060-9158
What are the manufacturers of nsn 5310000609158?
Does this nsn 5310000609158 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000609158
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 5310000609158 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000609158 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000609158?
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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  •   Certificate of Conformance
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