Model: B445B

Hexagon Slotted Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Slotted, hexagon

Nut Height

Between 0.615 inches and 0.635 inches

Width Across Flats

Between 0.678 inches and 0.698 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 24.0 rockwell c and 35.0 rockwell c

Thread Size

0.438 inches

Countersink Angle

90.0 degrees nut

Bearing Surface Type

Washer faced

Material

Steel comp 1035 or steel comp 1040 or steel comp 1340 or steel comp 3135

Material Specification

Sae assn standard 1st material response or sae assn standard 2nd material response or sae assn standard 3rd material response or aisi assn standard 4th material response

NSN

5310-00-189-4407

Part Number

B445B

Description

Nut,plain,slotted,hexagon

CAGE

64104

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.

Part B445B NSN 5310-00-189-4407

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01859

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