Model: BB4252B

Octagon Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Plain, octagon

Nut Height

Between 0.307 inches and 0.312 inches

Width Across Flats

Between 2.990 inches and 3.010 inches

Tempurature Rating

1550.0 degrees fahrenheit

Thread Series

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Thread Size

2.250 inches

Bearing Surface Type

Chamfered or washer faced

Material

Steel

NSN

5310-00-276-8711

Part Number

BB4252B

Description

Nut,plain,octagon

CAGE

57526

A nut, flat on top and bottom, having eight flat sides. It may include a retaining dowel pin. 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 BB4252B NSN 5310-00-276-8711

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16979

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