Extended Washer Self-locking Nut

Model / MPN: KFN668-4 | NSN: 5310-01-306-9048

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Product Details

NATO Stock Number

5310-01-306-9048

Sold in multiples of

100 EA

DEMIL

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.425 inches

Counterbore Diameter

0.284 inches washer and 0.288 inches washer

Lubrication

Dry film lubricant

Overall Height

0.340 inches

Nut Style

Hexagon

Nut Counterbore Depth

0.107 inches washer and 0.117 inches washer

Width Across Flats

Between 0.305 inches and 0.313 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Iron alloy 660

Material Specification

Ams 5643 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

KFN668 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E319T8837	Locking, Ex Nut, Self	3340	EA	02/07/2019

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
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HAZMAT Certified
Worldwide Shipping

KFN668-4 Cross Reference

KFN511DL4
03A136-4L
LE114-0031-0004
KFN668-4
KFN668-4
03A136-4L
BH00620M4
KFN511DL4
KFN668-4
KFN511DL4
KFN517DL4
BH136M-4L
KFN511DL-4
KFN511DL4
KFN511DL4
KFN668-4