Model: FFB584

Square Neck Bolt

Special Features:

Furnished with one square nut in accordance with federal specification ff-n-836 type1 style1

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.750 inches

Fastener Length

1.750 inches

Head Style

Button

Head Diameter

Between 0.563 inches and 0.594 inches

Head Height

Between 0.125 inches and 0.145 inches

Neck Length

Between 0.125 inches and 0.156 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Hardness Rating

207.0 brinell standard

Neck Width

Between 0.250 inches and 0.260 inches

Material

Steel

Thread Series Designator

Unc

Nondefinitive Specification/std Data

1 type and 1 class and a style

Departure From Cited Document

As modified by addition of square nut

NSN

5306-00-265-0739

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 5306-00-265-0739

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