Model: FFB571

Square Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.750 inches

Fastener Length

3.500 inches

Head Style

Button

Head Diameter

0.563 inches

Head Height

0.125 inches

Neck Length

0.219 inches

Thread Diameter

0.250 inches

Features Provided

Square nut

Thready Qty Per Inch (tpi)

Neck Width

0.250 inches

Material

Steel

Material Specification

Ff-b-571 federal specification single material response

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

C2 type

NSN

5306-00-208-2091

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 5306-00-208-2091

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