ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Recessed Washer NSN 5310-01-256-9261

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 5310-01-256-9261 NSN: 5310-01-256-9261

Features and Characteristics

Outside Diameter
0.625 inches
Recess Diameter
0.172 inches
Material Thickness
0.075 inches
Recess Angle
82.0 degrees
Material
Steel comp 303se or steel comp 303cu or steel comp 303ma or steel comp 325 or steel comp 303
Material Specification
Mil-w-52263 military specification all material responses
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35, type 2 federal specification all treatment responses
Style Designator
15 recessed
FSC
5310 Nuts And Washers
NIIN
012569261
NSN
5310012569261

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
600066-01
Cage Code:
54089
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 5310-01-256-9261
What are the manufacturers of nsn 5310012569261?
Does this nsn 5310012569261 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012569261
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 5310012569261 contain any precious metals?
No precious metal content.
Does nsn 5310012569261 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012569261?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo