Model: A3140087-21

Machine Screw

Properties:

Thread Direction

Right-hand

Thread Length

Between 4.50 millimeters and 5.00 millimeters

Fastener Length

25.0 millimeters

Head Style

Flat countersunk

Head Diameter

Between 4.90 millimeters and 5.50 millimeters

Locking Feature

Patch

Internal Drive Style

Cross recess type ii

Thread Diameter

2.5 millimeters

Min. Tensile Strength (psi)

80000 pounds per square inch

Thread Pitch In Millimeters

0.7

External Thread Tolerance Class

Countersink Angle

Between 90.0 degrees and 92.0 degrees

Screw Material

Steel comp 301

Locking Feature Material

Plastic polyamide

Screw Material Specification

Qq-s-763 military specification single material response and fed-std-66 military specification single material response

Locking Feature Material Specification

L-p-410 military specification single material response

Screw Surface Treatment

Passivate

Screw Surface Treatment Specification

Qq-p-35 military specification single treatment response

Thread Series Designator

NSN

5305-01-431-7598

Part Number

A3140087-21

Description

Screw,machine

CAGE

80063

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part A3140087-21 NSN 5305-01-431-7598

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06657

FIIG:

A500D0

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

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