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Shouldered Washer NSN 5310-01-254-1378

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 5310-01-254-1378 NSN: 5310-01-254-1378

Features and Characteristics

Hole Diameter
Between 0.140 inches and 0.150 inches
Shoulder Diameter
Between 0.170 inches and 0.180 inches
Outside Diameter
Between 0.307 inches and 0.327 inches
Shoulder Height
Between 0.026 inches and 0.036 inches
Material Thickness
Between 0.026 inches and 0.036 inches
Material
Plastic polyamide
Material Specification
L-p-410 federal specification single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
012541378
NSN
5310012541378

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
263418131N140
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
2634-18031-N140
Cage Code:
1YGB8
Status:
A
MSDS:
Part Number:
CV0084-002
Cage Code:
22915
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 3926904500
  • NAICS: 339991
  • SITC: 89399
  • Description: Gaskets,washers & other seals
  • End Use (Code 12770):
    Other industrial supplies

Q & A

Frequently asked questions for NSN 5310-01-254-1378
What are the manufacturers of nsn 5310012541378?
Does this nsn 5310012541378 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012541378
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 5310012541378 contain any precious metals?
No precious metal content.
Does nsn 5310012541378 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012541378?
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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  •   Certificate of Conformance
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