Model: NAS1291C5

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.520 inches

Overall Height

Between 0.253 inches and 0.266 inches

Nut Style

Hexagon

Washer Thickness

0.023 inches

Width Across Flats

Between 0.367 inches and 0.378 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

49.0 rockwell c

Thread Size

0.312 inches

Material

Stainless steel

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, class 1 or 2 federal specification single treatment response

Specification Data

80205-nas1291 professional/industrial association standard

NSN

5310-01-288-9546

Part Number

NAS1291C5

Description

Nut,self-locking,extended Washer

CAGE

80205

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.

Part NAS1291C5 NSN 5310-01-288-9546

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29730

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:

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 5310-01-288-9546) 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