Model: 28229

Internal Wrenching Bolt

Special Features:

2 0.049 in. Radius cutouts on sides of head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.285 inches

Fastener Length

0.375 inches

Head Diameter

Between 0.427 inches and 0.429 inches

Head Height

Between 0.388 inches and 0.398 inches

Internal Drive Style

Hexagon

Thread Diameter

0.190 inches

Width Across Flats

0.125 inches

Thready Qty Per Inch (tpi)

Surface Finish

32.0 microinches sides of head

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 630

Material Specification

Ams 5643 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Sps209, no.1, fscm 99643 mfr ref single treatment response

Thread Series Designator

Unf

NSN

5306-00-432-3114

Part Number

28229

Description

Bolt,internal Wrenching

CAGE

99643

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 28229 NSN 5306-00-432-3114

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:

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:

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