Model: FFB584

Square Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.781 inches and 0.812 inches

Fastener Length

1.000 inches

Head Style

Button

Head Diameter

Between 0.782 inches and 0.844 inches

Head Height

Between 0.182 inches and 0.208 inches

Neck Length

Between 0.188 inches and 0.219 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Hardness Rating

95.5 rockwell b

Neck Width

Between 0.368 inches and 0.388 inches

Material

Steel comp 1552

Surface Treatment

Chromate zinc

Thread Series Designator

Unc

Nondefinitive Specification/std Data

I type and 1 class and a style

NSN

5306-00-248-8666

Part Number

FFB584

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 FFB584 NSN 5306-00-248-8666

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:

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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