Model: 173639

Drive Screw

Properties:

Fastener Length

0.250 inches

Head Style

Round

Head Diameter

Between 0.118 inches and 0.127 inches

Head Height

Between 0.041 inches and 0.049 inches

Pilot Diameter

Between 0.060 inches and 0.063 inches

Pilot Length

0.045 inches

Nonmachine Thread Diameter

0.073 inches

Material

Steel

Surface Treatment

Cadmium or zinc

Nondefinitive Specification/std Data

U type and 1p style

NSN

5305-00-285-1432

Part Number

173639

Description

Screw,drive

CAGE

21450

A hardened cylindrical fastener with multiple spiral flutes on its shank. It also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.

Part 173639 NSN 5305-00-285-1432

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15896

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

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