Model: 28711-91F2

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 0.115 inches and 0.135 inches

Head Style

Headless (setscrew)

Point Style

Oval

Internal Drive Style

Hexagon

Thread Diameter

0.073 inches

Width Across Flats

0.035 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 303se or steel comp 303

Material Specification

Mil-s-7720 military specification all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unf

NSN

5305-01-342-4927

Part Number

28711-91F2

Description

Setscrew

CAGE

56878

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 28711-91F2 NSN 5305-01-342-4927

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:

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