Model: 391M4

Headless Grooved Pin

Properties:

First End Style

Square

Overall Length

4.687 inches

Diameter

Between 0.997 inches and 1.000 inches

Effective Length

4.425 inches

Undercut Diameter

Between 0.830 inches and 0.840 inches

Undercut Width

Between 0.068 inches and 0.075 inches

Second End Relationship With First End

Identical

First End Location

Both ends

Material

Steel comp 1020

Material Specification

Fed standard 66 federal standard single material response

Surface Treatment

Zinc

Style Designator

Groove

NSN

5315-00-312-0831

Part Number

391M4

Description

Pin,grooved,headless

CAGE

56442

A headless item of various shapes, usually cylindrical, having either circular or longitudinal groove(s). Its length must not exceed 12 inches (304 mm). Excludes rod, grooved, headless; shaft (as modified); and pin, vehicular leaf spring shackle.

Part 391M4 NSN 5315-00-312-0831

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

02386

FIIG:

A212A0

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:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318230000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Rivets of iron or steel