Model: KFN671-5

Single Ball Sea Self-locking Nut

Special Features:

With matching washer

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.580 inches and 0.590 inches

Lubrication

Dry film lubricant

Overall Height

0.430 inches

Ball Seat Radius

0.313 inches

Washer Thickness

Between 0.135 inches and 0.145 inches

End Application

B-1b aircraft

Width Across Flats

Between 0.367 inches and 0.376 inches

Tempurature Rating

Not rated

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Not rated

Thread Size

0.3125 inches

Material

Steel comp 305 nut or steel comp 304 nutsteel comp 630 washer

Material Specification

Ams 5686 assn standard 1st material response nut or ams 5697 assn standard 2nd material response nut or ams 5639 assn standard 2nd material response nutams 5643 assn standard single material response washer

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-342-7253

Part Number

KFN671-5

Description

Nut,self-locking,single Ball Sea

CAGE

15653

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

Part KFN671-5 NSN 5310-01-342-7253

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29732

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:

576

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