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Recessed Washer NSN 5310-01-291-9095

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 5310-01-291-9095 NSN: 5310-01-291-9095

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Features and Characteristics

Hole Diameter
0.343 inches
Overall Height
Between 0.302 inches and 0.322 inches
Recess Depth
0.252 inches
Special Features
Oblong shaped flange 0.100 in. Thk, 2.000 in. Lg, 0.120 in. Radius ends; boss 0.620 in. Dia; recess0.500 in. Dia
Material
Nickel alloy 400
Material Specification
Qq-n-281, cl a, form 6 federal specification single material response
Supplementary Features
Used on ssn 688 class submarine
FSC
5310 Nuts And Washers
NIIN
012919095
NSN
5310012919095

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1507-105 ITEM 34
Cage Code:
43689
Status:
A
MSDS:
Part Number:
704-5940679 ITEM 34
Cage Code:
53711
Status:
A
MSDS:
Part Number:
704-5858537 ITEM 15
Cage Code:
43689
Status:
A
MSDS:
Part Number:
1507-81 ITEM 15
Cage Code:
43689
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 5310-01-291-9095
What are the manufacturers of nsn 5310012919095?
Does this nsn 5310012919095 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012919095
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 5310012919095 contain any precious metals?
No precious metal content.
Does nsn 5310012919095 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012919095?
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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