Model: BN21 M4X10

Socket Head Cap Screw

Properties:

Thread Direction

Right-hand

Thread Length

7.0 millimeters

Fastener Length

10.0 millimeters

Head Style

Flat countersunk

Head Diameter

8.0 millimeters

Head Height

2.3 millimeters

Head Major Diameter

4.0 millimeters

Internal Drive Style

Hexagon

Thread Diameter

4.0 millimeters

Width Across Flats

2.5 millimeters

Thread Pitch In Millimeters

0.7

External Thread Tolerance Class

Countersink Angle

90.0 degrees

Part Name Assigned By Controlling Agency

Hexagon socket countersunk

Material

Steel property class 10.9 fastener

Surface Treatment

Zinc fastener

Thread Series Designator

NSN

5305-01-624-7587

Part Number

BN21 M4X10

Description

Screw,cap,socket Head

CAGE

650F9

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part BN21 M4X10 NSN 5305-01-624-7587

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

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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