Model: J644P26C

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.740 inches and 0.765 inches

Fastener Length

Between 1.865 inches and 1.885 inches

Head Style

Double hexagon extended washer

Width Between Flats

0.312 inches

Extended Washer Diameter

Between 0.428 inches and 0.438 inches

Extended Washer Thickness

Between 0.065 inches and 0.075 inches

First Diameter From Head

Between 0.222 inches and 0.232 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 1.120 inches and 1.125 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Nickel alloy 718

Thread Series Designator

Unjf

NSN

5306-01-233-5819

Part Number

J644P26C

Description

Bolt,externally Relieved Body

CAGE

07482

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part J644P26C NSN 5306-01-233-5819

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

139820

UFC:

70220

LTL:

85.0

LCL:

70.0

WCC:

576

TCC:

SHC:

ACC:

Instruments/Radio

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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)