Model: 310228-1

Internal Wrenching Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.500 inches

Fastener Length

2.430 inches

Head Style

Fillister

Head Diameter

Between 0.457 inches and 0.469 inches

Head Height

Between 0.306 inches and 0.312 inches

First Diameter From Head

Between 0.305 inches and 0.312 inches

Second Diameter From Head

Between 0.250 inches and 0.260 inches

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

0.193 inches

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

0.490 inches

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Width Across Flats

Between 0.250 inches and 0.253 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Stainless steel

Surface Treatment

Passivate and oxide

Surface Treatment Specification

Qq-p-35, f-16 method 1 federal specification single treatment response and mil-c-13924, cl 4 f-33 method 2 military specification single treatment response

Thread Series Designator

Unf

NSN

5306-01-072-3247

Part Number

310228-1

Description

Bolt,internal Wrenching

CAGE

96214

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 310228-1 NSN 5306-01-072-3247

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

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:

Equipment for Aircraft

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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