Model: YF257S61-0913PC85084A

Valve Tappet Adjusting Screw

Properties:

Thread Class

Thread Direction

Right-hand

Casehardening Indicator

Not casehardened

Slot Depth

0.124 inches

Thread Length

1.250 inches

Slot Width

0.095 inches

Overall Length

1.876 inches

Thread Size

1/2-20

End Length

0.346 inches

Smallest Diameter

0.465 inches

End Largest Diameter

0.425 inches

End Spherical Radius

0.250 inches

Thread Series

Unf

Material

Steel

Style Designator

Spherical head, straight thread, slot drive

NSN

2815-00-364-1404

Part Number

YF257S61-0913PC85084A

Description

Screw,adjusting,valve Tappet

CAGE

53711

An externally threaded screw-like device with a hexagon, square, slotted or any other type drive end. The other end may have a spherical ball, socket or other type of machined surface. It may have a concentric hole along the longitudinal centerline and a hole perpendicular to the axis joining the concentric hole for lubrication. It is specifically designed to be used as a means for adjusting engine poppet valve tappet clearances and may be furnished with a lock nut.

Part YF257S61-0913PC85084A NSN 2815-00-364-1404

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

33266

FIIG:

T267-M

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:

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:

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Schedule B and Export

Schedule B: 8409998000
SITC: 71392
End Use: Industrial engines
NAICS: 333618
USDA: 1

Freight Class: Parts for compression-ignition internal combustion piston engines (diesel), nesoi