Model: 157926

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.187 inches

Fastener Length

2.812 inches

Head Style

Flat chamfer

Head Diameter

1.312 inches

Head Height

0.312 inches

Shoulder Diameter

0.973 inches first shoulder and 0.977 inches first shoulder

Shoulder Length

1.312 inches first shoulder

Rib Major Diameter

Between 1.019 inches and 1.024 inches

Rib Length

Between 0.422 inches and 0.454 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

0.375 inches

Rib Quantity

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

110000 pounds per square inch

Hardness Rating

223.0 brinell standard and 277.0 brinell standard

Rib Included Angle

90.0 degrees

Shoulder Shape

Ribbed first shoulder

Material

Steel comp 4427 or steel comp 4620h or steel comp 8620h or steel comp 8622h

Thread Series Designator

Unf

NSN

5306-00-740-9555

Part Number

157926

Description

Bolt,ribbed Shoulder

CAGE

H0001

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 157926 NSN 5306-00-740-9555

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:

0.6000lbs

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