Model: 6755988

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.830 inches and 0.860 inches

Fastener Length

Between 1.270 inches and 1.300 inches

Head Style

Dee

Head Diameter

0.624 inches

Head Height

0.188 inches

Distance From Centerline To Flat

Between 0.156 inches and 0.176 inches

Shoulder Diameter

0.303 inches first shoulder and 0.307 inches first shoulder

Shoulder Length

0.320 inches first shoulder

Rib Major Diameter

Between 0.317 inches and 0.321 inches

Rib Length

0.260 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

Between 0.030 inches and 0.090 inches

Rib Minor Diameter

Between 0.303 inches and 0.307 inches

Rib Quantity

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Hardness Rating

32.0 rockwell c and 36.0 rockwell c

Shoulder Shape

Ribbed first shoulder

Material

Steel comp 1335 or steel comp 1541

Material Specification

Sae assn standard all material responses

Thread Series Designator

Unf

NSN

5306-00-679-8109

Part Number

6755988

Description

Bolt,ribbed Shoulder

CAGE

24617

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 6755988 NSN 5306-00-679-8109

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