Model: 646361

Plate Self-locking Nut

Special Features:

Boss extends opposite nut projection side 0.085 in. Long, 0.304 in. Min, 0.308 in. Max od, 0.265 in. Min, 0.270 in. Max id

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.265 inches nut and 0.270 inches nut

Mounting Hole Diameter

Between 0.130 inches and 0.135 inches

Nut Style

Plate

Nut Length

Between 0.732 inches and 0.762 inches

Nut Height

Between 0.297 inches and 0.312 inches

Plate Thickness

Between 0.060 inches and 0.070 inches

Plate Width

Between 0.412 inches and 0.432 inches

Nut Counterbore Depth

0.075 inches nut and 0.095 inches nut

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

1 hole

Distance From Aperture Center To Mounting Hole Center

0.380 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 19.0 rockwell c and 26.0 rockwell c

Thread Size

0.250 inches

Material

Steel comp 8740

Material Specification

Ams 6322 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400 assn standard single treatment response

NSN

5310-00-163-1921

Part Number

646361

Description

Nut,self-locking,plate

CAGE

77445

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 646361 NSN 5310-00-163-1921

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:

4.0 X 4.0 X 1.0

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:

713

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