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Recessed Washer NSN 5310-01-243-7353

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 5310-01-243-7353 NSN: 5310-01-243-7353

Features and Characteristics

Hole Diameter
Between 0.256 inches and 0.261 inches
Outside Diameter
0.490 inches
Overall Height
0.062 inches
Recess Diameter
0.375 inches
Recess Depth
Between 0.032 inches and 0.042 inches
Material
Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 3140 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 3310h or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Material Specification
66 federal standard all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
012437353
NSN
5310012437353

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
D792274-10
Cage Code:
17446
Status:
A
MSDS:
Part Number:
723238-7
Cage Code:
05869
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 5310-01-243-7353
What are the manufacturers of nsn 5310012437353?
Does this nsn 5310012437353 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012437353
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 5310012437353 contain any precious metals?
No precious metal content.
Does nsn 5310012437353 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012437353?
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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