Model: 1-72UNF3A1-8

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.115 inches and 0.135 inches

Fastener Length

Between 0.115 inches and 0.135 inches

Head Style

Headless (setscrew)

Spline Minor Diameter

Between 0.025 inches and 0.026 inches

Spline Major Diameter

Between 0.034 inches and 0.035 inches

Spline Width

Between 0.011 inches and 0.012 inches

Point Style

Cup

Internal Drive Style

Four spline

Thread Diameter

0.073 inches

Thready Qty Per Inch (tpi)

Hardness Rating

25.0 rockwell c and 45.0 rockwell c

Material

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316

Material Specification

66 federal standard all material responses

Surface Treatment

Passivate

Thread Series Designator

Unf

NSN

5305-00-372-9989

Part Number

1-72UNF3A1-8

Description

Setscrew

CAGE

70318

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 1-72UNF3A1-8 NSN 5305-00-372-9989

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06672

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:

713

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