Model: 375907

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.530 inches

Fastener Length

1.000 inches

Head Style

Dee chamfer

Head Diameter

0.190 inches

Head Height

0.190 inches

Distance From Centerline To Flat

0.180 inches

Shoulder Diameter

0.283 inches first shoulder

Shoulder Length

0.090 inches first shoulder

Rib Major Diameter

0.283 inches

Rib Length

0.090 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

0.040 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Hardness Rating

40.0 rockwell c and 46.0 rockwell c

Hardness Rating

40.0 rockwell c and 46.0 rockwell c

Shoulder Shape

Ribbed first shoulder

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 4340

Material Specification

Ams 6415 assn standard single material response

Thread Series Designator

Unf

NSN

5306-00-721-5581

Part Number

375907

Description

Bolt,ribbed Shoulder

CAGE

70210

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 375907 NSN 5306-00-721-5581

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:

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