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Shouldered And Recessed Washer NSN 5310-01-270-1259

Item Description

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN 5310-01-270-1259 NSN: 5310-01-270-1259

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Features and Characteristics

Hole Diameter
Between 19.03 millimeters and 19.27 millimeters
Shoulder Diameter
Between 29.56 millimeters and 29.80 millimeters
Outside Diameter
Between 34.88 millimeters and 35.12 millimeters
Recess Diameter
Between 24.8 millimeters and 25.2 millimeters
Shoulder Height
Between 0.74 millimeters and 1.98 millimeters
Recess Depth
Between 1.52 millimeters and 1.76 millimeters
Material Thickness
Between 1.52 millimeters and 1.76 millimeters
Material
Steel
Material Specification
1e942, cagec 11083 mfr ref single material response
Style Designator
Shouldered and recessed
FSC
5310 Nuts And Washers
NIIN
012701259
NSN
5310012701259

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8W1691
Cage Code:
11083
Status:
A
MSDS:
Part Number:
7W1691
Cage Code:
11083
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7616108000
  • NAICS: 332722
  • SITC: 69440
  • Description: Cotters, cotter-pins, washers and similar articles, of aluminum
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-270-1259
What are the manufacturers of nsn 5310012701259?
Does this nsn 5310012701259 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012701259
A washer, round in shape, having a centrally located hole. one bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
Does nsn 5310012701259 contain any precious metals?
No precious metal content.
Does nsn 5310012701259 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012701259?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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