Model: 554-4494-001

Internally Relieved Body Bolt

Properties:

Threads Per Inch

32 concentric hole

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.250 inches and 1.312 inches

Fastener Length

1.90625 inches

Head Diameter

0.312 inches

Head Height

0.250 inches

Concentric Hole Depth

Between 1.34375 inches and 1.40625 inches

Concentric Hole Diameter

Between 0.184 inches and 0.186 inches

Thread Diameter

0.250 inches

Thread Series

Unc concentric hole

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

190000 pounds per square inch

Thread Size

0.0315 inches concentric hole

Material

Stainless steel

Material Specification

Ams 5643 assn standard single material response

Surface Treatment

Passivate

Style Designator

Counterbore threaded

Thread Series Designator

Unf

NSN

5306-00-103-6914

Part Number

554-4494-001

Description

Bolt,internally Relieved Body

CAGE

13499

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 554-4494-001 NSN 5306-00-103-6914

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06676

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:

Equipment for Aircraft

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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