Model: 524326

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.488 inches and 0.548 inches

Fastener Length

Between 1.070 inches and 1.090 inches

Head Diameter

Between 0.620 inches and 0.640 inches

Head Height

Between 0.190 inches and 0.210 inches

Distance From Centerline To Flat

Between 0.165 inches and 0.175 inches

Rib Major Diameter

0.317 inches

Rib Length

Between 0.150 inches and 0.190 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

Between 0.320 inches and 0.340 inches

Rib Minor Diameter

0.289 inches

Rib Quantity

End Application

Tf-33 engine; engine a/c, tf-33-100 (e3a/b/c); engine aircraft, tf-33-p-7; aircraft, c-18a, ec-18b; aircraft, stratofortress b-52; aircraft, stratolifter c-135; aircraft, f-111 (fms only)

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Hardness Rating

30.0 rockwell c and 38.0 rockwell c

Material

Steel

Material Specification

Ams 5616 assn standard single material response

Thread Series Designator

Unf

NSN

5306-00-948-1356

Part Number

524326

Description

Bolt,ribbed Shoulder

CAGE

56878

An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.

Part 524326 NSN 5306-00-948-1356

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16014

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:

574

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