Model: 2149664

Internally Relieved Body Bolt

Properties:

Threads Per Inch

18 counterbore

Thread Class

Thread Direction

Right-hand

Thread Length

1.188 inches

Fastener Length

3.281 inches

Head Style

Hexagon

Head Height

0.600 inches

Width Between Flats

1.250 inches

Shoulder Diameter

Between 0.7501 inches and 0.7503 inches

Shoulder Length

Between 2.083 inches and 2.093 inches

Thread Diameter

0.625 inches

Thread Series

Unc counterbore

Internal Thread Direction

Right-hand counterbore

Thready Qty Per Inch (tpi)

Hardness Rating

35.0 rockwell c and 45.0 rockwell c

Thread Size

0.312 inches counterbore

Internal Thread Class

3b counterbore

Material

Steel comp 4140

Material Specification

Astm a322 assn standard single material response

Style Designator

Concentric hole threaded

Thread Series Designator

Unc

NSN

5306-01-318-5232

Part Number

2149664

Description

Bolt,internally Relieved Body

CAGE

10001

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 2149664 NSN 5306-01-318-5232

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