Model: 538

Hexag Double Ball Seat Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Double ball seat, hexagon

Ball Seat Radius

1.188 inches

Nut Height

0.615 inches

Width Across Flats

1.062 inches

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.625 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Cadmium

NSN

5310-00-605-1415

Part Number

538

Description

Nut,plain,double Ball Seat,hexag

CAGE

82646

A nut having opposite convex spherical bearing surfaces and 6 flat sides.

Part 538 NSN 5310-00-605-1415

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04891

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:

Trailers/Vehicles

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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