Model: NAS1149F4032P

Flat Washer

Properties:

Cross Sectional Shape
Rectangular
Hole Diameter
2.515 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
Between 0.022 inches and 0.042 inches
Overall Diameter
Between 3.245 inches and 3.270 inches
Material
Steel and steel comp 1008 or steel comp 1009 or steel comp 1010
Material Specification
Mil-s-7952 military specification 1st material response or qq-s-698, cond cr, t1 military specification 1st material response or qq-s-698, cond cr, t2 federal specification 2nd material response or qq-s-698, cond cr, t2 federal specification 3rd material response or qq-s-698, cond cr, t2 federal specification 4th material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2 cl 3 federal specification single treatment response
NSN
5310-01-348-0489
Part Number
NAS1149F4032P
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 NAS1149F4032P NSN 5310-01-348-0489

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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