Model: 28525-1

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.150 inches and 0.190 inches

Fastener Length

Between 0.200 inches and 0.220 inches

Head Style

Headless (setscrew)

Point Style

Half dog

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 303

Material Specification

Ams5640 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-s-5002 military specification single treatment response

Thread Series Designator

Unf

NSN

5305-01-061-8939

Part Number

28525-1

Description

Setscrew

CAGE

78710

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 28525-1 NSN 5305-01-061-8939

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:

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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