Model: A76278

Externally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.188 inches

Fastener Length

Between 3.490 inches and 3.510 inches

Head Style

Hexagon

Head Height

0.640 inches

Width Between Flats

1.500 inches

Shank Unthreaded Hole Diameter

0.187 inches first hole

First Diameter From Head

Between 0.998 inches and 0.999 inches

Second Diameter From Head

Between 0.877 inches and 0.882 inches

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

2.124 inches

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

2.312 inches

Thread Diameter

1.000 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

3.188 inches first hole

Externally Relieved Body Diameter Quantity

Material

Nickel alloy k-500

Material Specification

Qq-n-286, cl a federal specification single material response

Thread Series Designator

Unf

NSN

5306-00-206-0318

Part Number

A76278

Description

Bolt,externally Relieved Body

CAGE

99408

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 A76278 NSN 5306-00-206-0318

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:

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)