Model: 27S5-1B

Lock Washer

Properties:

Hole Diameter
Between 0.232 inches and 0.239 inches
Outside Diameter
0.435 inches
Overall Height
Between 0.077 inches and 0.089 inches
Material Thickness
Between 0.015 inches and 0.021 inches
Material
Steel
Surface Treatment
Zinc and chromate
NSN
5310-01-444-2771
Part Number
27S5-1B
Description
Washer,lock
CAGE
71286

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 27S5-1B NSN 5310-01-444-2771

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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