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Flat Washer NSN 5310-01-557-5787

Item Description

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

NSN 5310-01-557-5787 NSN: 5310-01-557-5787

Features and Characteristics

FSC
5310 Nuts And Washers
NIIN
015575787
NSN
5310015575787

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
0411 6 30
Cage Code:
SBC59
Status:
A
MSDS:
Part Number:
R0037758
Cage Code:
SZ177
Status:
A
MSDS:
Part Number:
R0037758-0310
Cage Code:
SZ177
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8710000090
  • NAICS: 336992
  • SITC: 89111
  • Description: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
  • End Use (Code 50030):
    Military trucks, armored vehicles, etc.

Q & A

Frequently asked questions for NSN 5310-01-557-5787
What are the manufacturers of nsn 5310015575787?
Does this nsn 5310015575787 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310015575787
A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. the hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). the thickness cannot exceed 25 percent of the largest outside dimension. when the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. the maximum tolerance is applied to dimensions and used as a determining factor. items with separable lamination use shim. for items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. excludes disk, valve, graphite impregnated and lubricated items.
Does nsn 5310015575787 contain any precious metals?
No precious metal content.
Does nsn 5310015575787 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310015575787?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
App. Key:
B
Cond. Code:
1
Status:
A

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