Model: NAS1803-4B3

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.265 inches base

Lubrication

Dry film lubricant

Mounting Hole Diameter

0.100 inches

Nut Style

Plate

Nut Length

1.375 inches

Nut Height

0.333 inches

Plate Thickness

0.025 inches

Plate Width

0.865 inches

Nut Counterbore Depth

0.193 inches base

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

0.563 inches

Center To Center Distance Between Mounting Holes Along Length

1.125 inches

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel

Specification Data

80205-nas1803 professional/industrial association standard

NSN

5310-01-152-3528

Part Number

NAS1803-4B3

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 NAS1803-4B3 NSN 5310-01-152-3528

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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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