Model: NAS1804-7N

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.729 inches

Overall Height

0.438 inches

Nut Style

Double hexagon

Washer Thickness

0.069 inches

Width Across Flats

Between 0.553 inches and 0.564 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

45.0 rockwell c

Thread Size

0.437 inches

Material

Steel comp 601 and steel comp h11

Material Specification

Ams 6304 assn standard 1st material response or ams 6487 assn standard 2nd material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, tyii federal specification single treatment response

NSN

5310-01-539-3010

Part Number

NAS1804-7N

Description

Nut,self-locking,extended Washer

CAGE

80205

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part NAS1804-7N NSN 5310-01-539-3010

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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