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Recessed Washer NSN 5310-00-351-4320

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 5310-00-351-4320 NSN: 5310-00-351-4320

Features and Characteristics

Hole Diameter
Between 0.245 inches and 0.255 inches
Outside Diameter
Between 0.305 inches and 0.315 inches
Overall Height
0.073 inches
Recess Depth
0.044 inches
Material Thickness
0.073 inches
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
003514320
NSN
5310003514320

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
K29264P3
Cage Code:
15653
Status:
A
MSDS:
Part Number:
C058P3W
Cage Code:
81755
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 5310-00-351-4320
What are the manufacturers of nsn 5310003514320?
Does this nsn 5310003514320 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003514320
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 5310003514320 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003514320 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003514320?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
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