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Shouldered Washer NSN 5310-01-317-6440

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 5310-01-317-6440 NSN: 5310-01-317-6440

Features and Characteristics

Hole Diameter
2.750 inches
Shoulder Diameter
Between 3.234 inches and 3.250 inches
Outside Diameter
Between 5.824 inches and 5.855 inches
Shoulder Height
0.031 inches
Material Thickness
0.157 inches
Criticality Code Justification
Zzzy
Special Features
Recess located opposite shoulder, 0.062in. Deep, 3.281 in. Dia
Heat Treatment
T-6 solution heat treated, artifically aged
Material
Aluminum alloy 6061
Special Test Features
Special quality control testing
Style Designator
Shouldered
Test Data Document
81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Reference Number Differentiating Characteristics
As differentiated by material which must conform to ships parts control center special quality control provisions and certified free from mercury contamination
FSC
5310 Nuts And Washers
NIIN
013176440
NSN
5310013176440

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C-106140-2
Cage Code:
94271
Status:
A
MSDS:
Part Number:
LL-HQ6-3940
Cage Code:
14153
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 5310-01-317-6440
What are the manufacturers of nsn 5310013176440?
Does this nsn 5310013176440 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013176440
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 5310013176440 contain any precious metals?
No precious metal content.
Does nsn 5310013176440 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013176440?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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