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Recessed Washer NSN 5310-01-480-4996

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 5310-01-480-4996 NSN: 5310-01-480-4996

Features and Characteristics

Hole Diameter
Between 1.560 inches and 1.580 inches
Outside Diameter
2.250 inches
Recess Diameter
Between 1.385 inches and 1.400 inches
Material Thickness
0.100 inches
End Application
F18 e/f
Criticality Code Justification
Agav
Recess Angle
45.0 degrees
Special Features
Washer-plain and countersunk, 17-4ph cres, 1200 degree f
Color
Brown
Material
Steel comp 630
Material Specification
Ams 5604, conditon h1025 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Recessed
FSC
5310 Nuts And Washers
NIIN
014804996
NSN
5310014804996

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4M284-22C
Cage Code:
76301
Status:
A
MSDS:
Part Number:
T4M284-22C
Cage Code:
04946
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 5310-01-480-4996
What are the manufacturers of nsn 5310014804996?
Does this nsn 5310014804996 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310014804996
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 5310014804996 contain any precious metals?
No precious metal content.
Does nsn 5310014804996 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310014804996?
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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