Model: 298490

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.625 inches

Fastener Length

1.188 inches

Head Style

Hexagon

Head Height

0.188 inches

Width Between Flats

0.562 inches

Shoulder Diameter

0.407 inches first shoulder and 0.410 inches first shoulder

Shoulder Length

1.812 inches first shoulder

Rib Major Diameter

Between 0.422 inches and 0.432 inches

Rib Length

0.125 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

0.094 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

20.0 rockwell c and 26.0 rockwell c

Shoulder Shape

Ribbed first shoulder

Material

Steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 or steel comp 1042 or steel comp 1043 or steel comp 1045

Material Specification

66 federal standard all material responses or aisi assn standard all material responses or sae assn standard all material responses

Surface Treatment

Cadmium or zinc

Thread Series Designator

Unf

NSN

5306-00-741-1026

Part Number

298490

Description

Bolt,ribbed Shoulder

CAGE

23705

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 298490 NSN 5306-00-741-1026

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:

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