Model: AN340C516

Hexagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 0.208 inches and 0.225 inches

Width Across Flats

Between 0.545 inches and 0.562 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Countersink Angle

110.0 degrees nut

Bearing Surface Type

Flat

Material

Steel comp 431 or steel comp 303

Material Specification

Astm a276 assn standard 1st material response or sae j405, uns s43100 assn standard 1st material response or mil-s-7720, comp 303 military specification 2nd material response or sae j405, uns s30300 assn standard 2nd material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Specification Data

81348-ff-n-836 government specification and 88044-an340 government standard

Nondefinitive Specification/std Data

2 type and 4 style and 5/16-18unc size

Departure From Cited Document

As modified by matl

NSN

5310-00-266-0514

Part Number

AN340C516

Description

Nut,plain,hexagon

CAGE

88044

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part AN340C516 NSN 5310-00-266-0514

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

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 hexagon plain nut (NSN 5310-00-266-0514) 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