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Recessed Washer NSN 5310-00-187-9727

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 5310-00-187-9727 NSN: 5310-00-187-9727

Features and Characteristics

Hole Diameter
Between 0.192 inches and 0.200 inches
Outside Diameter
Between 0.428 inches and 0.448 inches
Material Thickness
Between 0.075 inches and 0.085 inches
Hardness Rating
Between 29.0 rockwell c and 39.0 rockwell c
Top Recess Diameter
Between 0.236 inches and 0.260 inches
Bottom Recess Angle
Between 86.0 degrees and 94.0 degrees
Top Recess Angle
Between 86.0 degrees and 94.0 degrees
Bottom Recess Diameter
Between 0.236 inches and 0.260 inches
Surface Finish
63.0 microinches top
Material
Cobalt comp l-605 or steel comp 302
Material Specification
Ams 5516 assn standard single material response or ams 5537 assn standard single material response
Style Designator
Recessed both sides
FSC
5310 Nuts And Washers
NIIN
001879727
NSN
5310001879727

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS9768-09
Cage Code:
96906
Status:
A
MSDS:
Part Number:
10116659
Cage Code:
A486G
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5310-00-187-9727
What are the manufacturers of nsn 5310001879727?
Does this nsn 5310001879727 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310001879727
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 5310001879727 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310001879727 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310001879727?
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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