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Recessed Washer NSN 5310-01-338-4130

Item Description

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

NSN 5310-01-338-4130 NSN: 5310-01-338-4130

Features and Characteristics

Hole Diameter
0.340 inches
Outside Diameter
1.120 inches
Recess Diameter
0.700 inches
Material Thickness
0.210 inches
Hardness Rating
Between 35.0 rockwell c and 42.0 rockwell c
Recess Angle
82.0 degrees
Material
Steel comp 630
Material Specification
Ams5643 cond a assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 type 2 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
013384130
NSN
5310013384130

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6532B094-1
Cage Code:
36334
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 5310-01-338-4130
What are the manufacturers of nsn 5310013384130?
Does this nsn 5310013384130 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013384130
A washer of any peripheral shape having a centrally located hole. both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. the thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. the maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. excludes washer, concave, retainer, packing, and thrust type washers. see also spacer, sleeve; and spacer, stepped.
Does nsn 5310013384130 contain any precious metals?
No precious metal content.
Does nsn 5310013384130 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013384130?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15933
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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