Model: AIC558-20D46

Machine Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.440 inches

Fastener Length

4.378 inches

Head Style

Double hexagon

Head Height

Between 0.680 inches and 0.700 inches

Width Between Flats

Between 1.801 inches and 1.814 inches

Shank Unthreaded Hole Diameter

0.136 inches first hole and 0.146 inches first hole

Thread Diameter

1.250 inches

Grip Length

2.938 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

4.083 inches first hole

Part Name Assigned By Controlling Agency

Navy special project

Material

Nickel alloy 718

Material Specification

Ams5662 assn standard single material response

Thread Series Designator

Unjf

NSN

5306-01-361-7923

Part Number

AIC558-20D46

Description

Bolt,machine

CAGE

06725

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part AIC558-20D46 NSN 5306-01-361-7923

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01847

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:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)