Model: 250-403 1-2

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.18375 inches and 0.21875 inches

Fastener Length

0.21875 inches

Head Style

Flat countersunk

Head Diameter

Between 0.212 inches and 0.216 inches

Internal Drive Style

Slot

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 81.0 degrees and 82.0 degrees

Screw Material

Copper alloy 360

Screw Material Specification

Qq-b-611, comp b federal specification single material response

Thread Series Designator

Unf

NSN

5305-00-090-0499

Part Number

250-403 1-2

Description

Screw,machine

CAGE

55972

Part 250-403 1-2 NSN 5305-00-090-0499

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096630

UFC:

50590

LTL:

70.0

LCL:

70.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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