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Recessed Washer NSN 5310-00-986-9971

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 5310-00-986-9971 NSN: 5310-00-986-9971

Features and Characteristics

Hole Diameter
1.440 inches
Outside Diameter
Between 1.814 inches and 1.815 inches
Overall Height
Between 0.510 inches and 0.520 inches
Recess Depth
Between 0.470 inches and 0.490 inches
Material Thickness
0.112 inches
Hardness Rating
23.0 rockwell c
Surface Finish
63.0 microinches top
Special Features
3 scallops on washer face 0.800 in. Nom diameter c to c 120 degrees apart, outer edges to be 0.750 in. From center of face, intersect scallops with 1.100 in. Nom bore, all to be 0.035 in. Nom depth
Heat Treatment
Stress relieved
Material
Steel
Material Specification
Ams6382 assn standard single material response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
009869971
NSN
5310009869971

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2-080-004-03
Cage Code:
99193
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 5310-00-986-9971
What are the manufacturers of nsn 5310009869971?
Does this nsn 5310009869971 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009869971
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 5310009869971 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009869971 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009869971?
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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