Model: 78076P-18

Flat Washer

Properties:

Cross Sectional Shape
Rectangular
Hole Diameter
Between 1.127 inches and 1.131 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
Between 0.057 inches and 0.069 inches
Overall Diameter
Between 2.120 inches and 2.130 inches
Hardness Rating
34.0 rockwell c
Material
Nickel alloy 718
Material Specification
Ams 5663 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 type i federal specification single treatment response
NSN
5310-01-147-0321
Part Number
78076P-18
Description
Washer,flat
CAGE

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

Part 78076P-18 NSN 5310-01-147-0321

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
Concept No.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7508900000
  • SITC: 69975
  • End Use: Finished metal shapes
  • NAICS: 332999
  • USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)

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