Model: MILH55053

Square Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.750 inches

Fastener Length

2.500 inches

Head Style

Flat countersunk

Head Diameter

Between 1.172 inches and 1.252 inches

Neck Length

Between 0.453 inches and 0.493 inches

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Neck Width

Between 0.750 inches and 0.765 inches

Material

Steel

Thread Series Designator

Unc

NSN

5306-00-274-8080

Part Number

MILH55053

Description

Bolt,square Neck

CAGE

81349

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

Part MILH55053 NSN 5306-00-274-8080

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:

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