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Flat Washer NSN 5310-01-384-2951

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 5310-01-384-2951 NSN: 5310-01-384-2951

Features and Characteristics

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.164 inches and 0.184 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
Between 0.028 inches and 0.035 inches
Overall Diameter
Between 0.370 inches and 0.395 inches
Material
Steel comp 1020 or steel comp 1025
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response
Specification Data
80205-nas1149 professional/industrial association standard
FSC
5310 Nuts And Washers
NIIN
013842951
NSN
5310013842951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
124-0055-002
Cage Code:
95105
Status:
A
MSDS:
Part Number:
ASNA2397-8
Cage Code:
F6198
Status:
A
MSDS:
Part Number:
NAS1149FN832P
Cage Code:
80205
Status:
A
MSDS:
Part Number:
ASNA2397D8
Cage Code:
F6198
Status:
A
MSDS:
Part Number:
10194034
Cage Code:
A486G
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 5310-01-384-2951
What are the manufacturers of nsn 5310013842951?
Does this nsn 5310013842951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013842951
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 5310013842951 contain any precious metals?
No precious metal content.
Does nsn 5310013842951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013842951?
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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