Model: H52889-3

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.525 inches and 0.535 inches

Counterbore Diameter

0.192 inches first end and 0.196 inches first end

Lubrication

Dry film lubricant

Overall Height

Between 0.315 inches and 0.325 inches

Nut Style

Hexagon

Washer Thickness

Between 0.023 inches and 0.043 inches

Nut Counterbore Depth

0.155 inches first end and 0.160 inches first end

Width Across Flats

Between 0.243 inches and 0.252 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-385-1541

Part Number

H52889-3

Description

Nut,self-locking,extended Washer

CAGE

15653

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part H52889-3 NSN 5310-01-385-1541

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29730

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

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