Model: F50863-4-3

Plate Self-locking Nut

Special Features:

Silver plating optional on nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.254 inches nut

Lubrication

Dry film lubricant

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate

Nut Length

1.038 inches

Nut Height

0.387 inches

Plate Thickness

0.030 inches

Nut Counterbore Depth

0.187 inches nut and 0.202 inches nut

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.495 inches and 0.505 inches

Thread Series

Unjf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Iron alloy 660

Material Specification

Ams 5525 assn standard single material response or ams 5732 assn standard single material response or ams 5731 assn standard single material response

Precious Material And Location

Threads silver

Precious Material

Silver

Surface Treatment

Silver threads

Surface Treatment

Passivate shell

Surface Treatment Specification

Ams 2414 assn standard single treatment response threads

NSN

5310-01-197-6619

Part Number

F50863-4-3

Description

Nut,self-locking,plate

CAGE

15653

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 F50863-4-3 NSN 5310-01-197-6619

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