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Recessed Washer NSN 5310-01-385-1550

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 5310-01-385-1550 NSN: 5310-01-385-1550

Features and Characteristics

Hole Diameter
Between 0.439 inches and 0.443 inches
Outside Diameter
Between 0.807 inches and 0.817 inches
Recess Diameter
Between 0.539 inches and 0.549 inches
Material Thickness
Between 0.071 inches and 0.085 inches
Hardness Rating
Between 36.0 rockwell c and 45.0 rockwell c
Recess Angle
95.0 degrees
Material
Nickel alloy 718
Material Specification
Ams 5596 assn standard single material response or ams 5597 assn standard single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, ty2 cl 2 federal specification single treatment response
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
013851550
NSN
5310013851550

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VN948YNP7CP
Cage Code:
92215
Status:
A
MSDS:
Part Number:
AS32990C7P
Cage Code:
10630
Status:
A
MSDS:
Part Number:
03A280C7P
Cage Code:
1W025
Status:
A
MSDS:
Part Number:
MM891C7P
Cage Code:
58009
Status:
A
MSDS:
Part Number:
NS202859C7P
Cage Code:
80539
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-01-385-1550
What are the manufacturers of nsn 5310013851550?
Does this nsn 5310013851550 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013851550
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 5310013851550 contain any precious metals?
No precious metal content.
Does nsn 5310013851550 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013851550?
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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