Model: 90251A179

Setscrew

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

0.250 inches

Head Style

Headless (setscrew)

Locking Feature

Patch threads

Point Diameter

Between 0.088 inches and 0.102 inches

Point Style

Cup

Internal Drive Style

Hexagon

End Application

Door, helo hanger stbd 1566-3

Thread Diameter

0.190 inches

Width Across Flats

0.094 inches

Thready Qty Per Inch (tpi)

Point Chamfer Angle

Between 113.0 degrees and 123.0 degrees

Part Name Assigned By Controlling Agency

Thread locking cup point setscrew

Material

Plastic nylon locking feature

Material

Steel comp 316

Thread Series Designator

Unf

NSN

5305-01-643-9327

Part Number

90251A179

Description

Setscrew

CAGE

17910

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 90251A179 NSN 5305-01-643-9327

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