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Shouldered Washer NSN 5310-01-144-6291

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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 5310-01-144-6291 NSN: 5310-01-144-6291

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Features and Characteristics

Hole Diameter
Between 0.380 inches and 0.390 inches
Shoulder Diameter
Between 0.475 inches and 0.485 inches
Outside Diameter
Between 0.560 inches and 0.570 inches
Shoulder Height
0.062 inches
Material Thickness
Between 0.048 inches and 0.056 inches
Part Name Assigned By Controlling Agency
Navy special project
Special Features
Two slots 0.037 in. Max w in washer
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 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
011446291
NSN
5310011446291

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3488488-2
Cage Code:
99193
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 5310-01-144-6291
What are the manufacturers of nsn 5310011446291?
Does this nsn 5310011446291 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011446291
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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 5310011446291 contain any precious metals?
No precious metal content.
Does nsn 5310011446291 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011446291?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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