Model: 84825-12-16

Double Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.785 inches locking insert

Nut Style

Double hexagon

Nut Height

0.310 inches

Nut Counterbore Depth

0.110 inches locking insert

End Application

Coupling, fle

Width Across Flats

1.185 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.750 inches

Bearing Surface Type

Chamfered or washer faced

Bearing Surface Finish

125.0 microinches

Part Name Assigned By Controlling Agency

Navy special project

Material

Iron alloy 660

Material Specification

Ams5732 assn standard 1st material response or ams5737 assn standard 2nd material response

Surface Treatment

Silver

Surface Treatment Specification

Ams2410 assn standard single treatment response

NSN

5310-01-494-8504

Part Number

84825-12-16

Description

Nut,self-locking,double Hexagon

CAGE

56878

A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.

Part 84825-12-16 NSN 5310-01-494-8504

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05276

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:

573

TCC:

SHC:

ACC:

Equipment for Aircraft

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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