Model: 512091

Extended Washer Self-locking Nut

Properties:

Thread Pitch Diameters

+0.2884/+0.2920 inches

Thread Pitch Diameters

+0.2884 to 0.2920 inches

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.480 inches and 0.490 inches

Overall Height

Between 0.326 inches and 0.336 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.045 inches and 0.055 inches

Width Across Flats

Between 0.367 inches and 0.376 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 35.0 rockwell c and 42.0 rockwell c

Thread Size

0.312 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Iron alloy 660

Material Specification

Ams 5737 assn standard single material response

Precious Material And Location

silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

NSN

5310-00-016-5781

Part Number

512091

Description

Nut,self-locking,extended Washer

CAGE

77445

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 512091 NSN 5310-00-016-5781

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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:

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

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this extended washer self-locking nut (NSN 5310-00-016-5781) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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