Model: NAS538-14P18

Shouldered Washer

Properties:

Hole Diameter
Between 0.859 inches and 0.866 inches
Shoulder Diameter
Between 1.064 inches and 1.065 inches
Outside Diameter
Between 1.240 inches and 1.260 inches
Shoulder Height
Between 0.175 inches and 0.180 inches
Material Thickness
Between 0.055 inches and 0.060 inches
Min. Tensile Strength (psi)
125000 pounds per square inch
Material
Steel comp 8630 or steel comp 4130
Material Specification
Mil-s-6050 assn standard 1st material response or mil-s-6758 military specification 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Shouldered
NSN
5310-00-948-4248
Part Number
NAS538-14P18
Description
Washer,shouldered
CAGE
80205

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part NAS538-14P18 NSN 5310-00-948-4248

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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