Model: 509272

Hexag Single Ball Seat Plain Nut

Special Features:

63.0 microinch finish on special ball seat and 6 slots in face opposite bearing surface 0.160 in. W by 0.250 in. Deep for locking device

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Single ball seat, hexagon

Ball Seat Radius

Between 1.110 inches and 1.130 inches

Nut Height

Between 0.800 inches and 0.820 inches

Width Across Flats

Between 0.990 inches and 1.003 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.625 inches

Bearing Surface Finish

130.0 microinches

Material

Steel comp 4140 or steel comp 8640 or steel comp 8740

Material Specification

Astm a322 assn standard all material responses or astm a331 assn standard all material responses

NSN

5310-00-776-7434

Part Number

509272

Description

Nut,plain,single Ball Seat,hexag

CAGE

02978

A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.

Part 509272 NSN 5310-00-776-7434

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04892

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

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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