Model: 554861

Setscrew

Special Features:

Screw, special head; critical dimensions

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.230 inches and 0.250 inches

Fastener Length

Between 0.780 inches and 0.790 inches

Head Style

Flat fillister

Head Diameter

Between 0.250 inches and 0.260 inches

Head Height

Between 0.530 inches and 0.540 inches

Point Diameter

Between 0.178 inches and 0.198 inches

Point Style

Flat

Internal Drive Style

Slot

End Application

Propeller systems

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Criticality Code Justification

Feat and agav

Material

Steel comp 8740

Material Specification

Ams6322 assn standard 1st material response or mil-s-6049 military specification 2nd material response

Thread Series Designator

Unf

NSN

5305-00-887-2090

Part Number

554861

Description

Setscrew

CAGE

73030

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 554861 NSN 5305-00-887-2090

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