Model: NAS1803-4B9

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Nut Style

Plate

Nut Length

Between 1.360 inches and 1.390 inches

Nut Height

0.310 inches

Plate Thickness

0.025 inches

Plate Width

0.865 inches

Center To Center Distance Between Mounting Holes Along Length

Between 1.125 inches and 1.127 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel

NSN

5310-01-337-9669

Part Number

NAS1803-4B9

Description

Nut,self-locking,plate

CAGE

80205

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part NAS1803-4B9 NSN 5310-01-337-9669

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05280

FIIG:

A021A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel