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Shouldered And Recessed Washer NSN 5310-00-971-3386

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 5310-00-971-3386 NSN: 5310-00-971-3386

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Features and Characteristics

Hole Diameter
Between 0.375 inches and 0.385 inches
Shoulder Diameter
0.750 inches
Outside Diameter
1.000 inches
Shoulder Height
0.060 inches
Hardness Rating
Between 39.0 rockwell c and 42.0 rockwell c
Material
Steel comp 4340
Material Specification
Mil-s-5000 military specification single material response
FSC
5310 Nuts And Washers
NIIN
009713386
NSN
5310009713386

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
128BM11041-1
Cage Code:
26512
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 5310-00-971-3386
What are the manufacturers of nsn 5310009713386?
Does this nsn 5310009713386 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009713386
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 5310009713386 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009713386 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009713386?
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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