Model: FFB571

Square Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.125 inches

Fastener Length

Between 3.969 inches and 4.031 inches

Head Style

Button

Head Diameter

Between 1.053 inches and 1.073 inches

Head Height

Between 0.240 inches and 0.260 inches

Neck Length

Between 0.313 inches and 0.375 inches

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

48000 pounds per square inch

Neck Width

Between 0.485 inches and 0.515 inches

Material

Steel

Thread Series Designator

Unc

NSN

5306-00-514-7534

Part Number

FFB571

Description

Bolt,square Neck

CAGE

81348

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part FFB571 NSN 5306-00-514-7534

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15939

FIIG:

A003B0

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: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment