Model: 820-4551189-1

Internal Wrenching Bolt

Special Features:

Item must comply with requirements of defense supply center philadelphia production standard no. Po0179nrp

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.295 inches and 0.375 inches

Fastener Length

Between 0.345 inches and 0.375 inches

Head Style

Flat chamfer

Head Diameter

Between 0.198 inches and 0.205 inches

Head Height

Between 0.121 inches and 0.125 inches

Internal Drive Style

Hexagon

Thread Diameter

0.125 inches

Width Across Flats

0.094 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

155000 pounds per square inch

Criticality Code Justification

Zzzy

Material

Steel

Surface Treatment

Cadmium

Special Test Features

Special quality control testing

Surface Treatment Specification

Qq-p-416, type 2, cl 1 federal specification single treatment response

Test Data Document

81349-mil-p-23199 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Thread Series Designator

Unrc

Reference Number Differentiating Characteristics

Areference number differentiating material will be in accordance with naval inventory control point activity hx quality control. Manufacturing and testing specifications available at the dla icp

NSN

5306-01-036-0850

Part Number

820-4551189-1

Description

Bolt,internal Wrenching

CAGE

D9182

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 820-4551189-1 NSN 5306-01-036-0850

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:

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: 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