Model: 2144559

Internally Relieved Body Bolt

Properties:

Threads Per Inch

20 counterbore

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

1.000 inches

Head Style

Knurled no. 1

Head Diameter

1.000 inches

Head Height

0.250 inches

Concentric Hole Diameter

0.312 inches

Internal Thread Length

0.156 inches counterbore

Thread Diameter

0.750 inches

Thread Series

Unc counterbore

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches counterbore

Internal Thread Class

3b counterbore

Material

Steel comp 303 or steel comp 303se

Material Specification

Astm a582 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Counterbore threaded

Thread Series Designator

Unf

NSN

5306-00-415-7854

Part Number

2144559

Description

Bolt,internally Relieved Body

CAGE

55974

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 2144559 NSN 5306-00-415-7854

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:

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