Model: 128439

Square Neck Bolt

Description:

2a thread class, right-hand , 0.875 inches thread length, 1.469 inches fastener length, oval head style, 1.000 inches head diameter.

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

Between 1.469 inches and 1.531 inches

Head Style

Oval

Head Diameter

Between 1.000 inches and 1.031 inches

Head Height

Between 0.156 inches and 0.176 inches

Neck Length

Between 0.156 inches and 0.187 inches

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

48000 pounds per square inch

Hardness Rating

79.0 rockwell b and 90.0 rockwell b

Minimum Yield Strength

40000 pounds per square inch

Neck Width

Between 0.307 inches and 0.324 inches

Material

Steel comp 1010

Material Specification

Qq-s-634 federal specification single material response

Surface Treatment

Cadmium or zinc

Thread Series Designator

Unc

NSN

5306-00-012-8439

Part Number

128439

Description

Bolt,square Neck

CAGE

21450

A headed externally threaded fastener whose threaded portion is of one nominal diameter, with a square neck directly beneath the head.

Part 128439 NSN 5306-00-012-8439

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15939

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