Model: KFN644-4

Self-locking Nut

Properties:

General Description

Alloy steel; cadmium plated, qq-p-416, type 2, class 3; hardness rating rc39-43; thd series 0.250-28unjf-3b; nut h 0.320 in. Max; nut diameter 0.420 in.; counterbore depth 0.112 in.; counterbore diameter 0.286 in.; special wrench configuration for no. 10 spline drive; 8 splines; deformed thd locking feature

NSN

5310-01-093-3601

Part Number

KFN644-4

Description

Nut,self-locking

CAGE

15653

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

Pricing & Availability Check

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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