Model: MS51947-1

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Left-hand

Thread Length

Between 1.390 inches and 1.410 inches

Fastener Length

6.062 inches

Head Style

Flat chamfer

Head Diameter

Between 1.310 inches and 1.350 inches

Head Height

Between 0.302 inches and 0.322 inches

Shoulder Diameter

0.875 inches second shoulder and 0.890 inches second shoulder

Shoulder Diameter

0.971 inches first shoulder and 0.976 inches first shoulder

Shoulder Length

1.250 inches first shoulder

Shoulder Length

3.250 inches second shoulder

Rib Major Diameter

Between 0.998 inches and 1.006 inches

Rib Length

0.560 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

Between 0.349 inches and 0.411 inches

Thread Diameter

0.750 inches

Thready Qty Per Inch (tpi)

Hardness Rating

223.0 brinell hultgren and 277.0 brinell hultgren

Shoulder Shape

Round all shoulders

Material

Steel comp 5135 or steel comp 5140 or steel comp 8637 or steel comp 8740 or steel comp 4135 or steel comp 4137 or steel comp 4140 or steel comp 8640

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 2 federal specification all treatment responses

Thread Series Designator

Unf

NSN

5306-00-569-9018

Part Number

MS51947-1

Description

Bolt,ribbed Shoulder

CAGE

96906

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 MS51947-1 NSN 5306-00-569-9018

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:

1.1000lbs

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