Model: 8725151

Extended Washer Self-locking Nut

Special Features:

63 microinch finish bearing surface, 250 microinch finish on flats and head, 0.020 in. 45 degree chamfer on od of washer face

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.865 inches and 0.880 inches

Overall Height

Between 0.495 inches and 0.505 inches

Nut Style

Hexagon

Washer Thickness

Between 0.060 inches and 0.080 inches

Width Across Flats

Between 0.736 inches and 0.748 inches

Thread Series

Unf

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Hardness Rating

Between 24.0 rockwell c and 37.0 rockwell c

Thread Size

0.500 inches

Countersink Angle

108.0 degrees nut and 112.0 degrees nut

Material

Steel

Surface Treatment

Cadmium or zinc or chromate

Surface Treatment Specification

Qq-z-325 type 2 class 3 federal specification 2nd treatment response or qq-z-325 type 2 class 3 federal specification 3rd treatment response

NSN

5310-00-753-4014

Part Number

8725151

Description

Nut,self-locking,extended Washer

CAGE

19207

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 8725151 NSN 5310-00-753-4014

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

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