Model: 668998

Machine Bolt

Special Features:

Shank releived to 0.218 in. Min, 0.228 in. Max dia, distance from head 0.615 in. Min, 0.635 in. Max to 1.340 in. Min, 1.360 in. Max

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.692 inches and 0.732 inches

Fastener Length

Between 2.552 inches and 2.572 inches

Head Style

Double hexagon w/hole

Head Height

Between 0.293 inches and 0.313 inches

Width Between Flats

0.312 inches

Extended Washer Diameter

Between 0.428 inches and 0.448 inches

Extended Washer Thickness

0.060 inches

Thread Diameter

0.250 inches

Grip Length

Between 1.840 inches and 1.860 inches

Features Provided

Finished head

Thready Qty Per Inch (tpi)

Hardness Rating

32.0 rockwell c and 42.0 rockwell c

Material

Nickel alloy

Material Specification

Ams 5708 assn standard single material response

Thread Series Designator

Unf

NSN

5306-00-481-6222

Part Number

668998

Description

Bolt,machine

CAGE

77445

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 668998 NSN 5306-00-481-6222

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

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:

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)