Model: 120-259E3P3

Close Tolerance Screw

Special Features:

Essential to weapon system performance or operation, or the preservation of life or safety of operating personnel

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.260 inches

Fastener Length

0.591 inches

Head Style

Undercut pan no. 2

Head Diameter

0.547 inches

Head Height

0.127 inches

Spline Major Diameter

0.155 inches

Grip Diameter

Between 0.188 inches and 0.189 inches

Internal Drive Style

Torx

End Application

Mv-22 (v-22 lrip 1 e-nsn isil

Thread Diameter

0.190 inches

Grip Length

0.188 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

3180 pounds per square inch

Criticality Code Justification

Feat

Part Name Assigned By Controlling Agency

Screw, shear, pan head, close tolerance, short thread, six lobe recess, 95 ksi fsu

Material

Iron alloy 660

Material Specification

Ams 5731 federal specification 1st material response or ams 5732 federal specification 2nd material response or ams 5737 federal specification 3rd material response or ams 5853 federal specification 4th material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams-qq-p-416, type 2, class 2 federal specification single treatment response

Thread Series Designator

Unjf

NSN

5305-01-529-3693

Part Number

120-259E3P3

Description

Screw,close Tolerance

CAGE

97499

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part 120-259E3P3 NSN 5305-01-529-3693

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29294

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:

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:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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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