Model: AN531C6RF8

Tapping Screw

Properties:

Fastener Length

0.500 inches

Head Style

Flat countersunk

Head Diameter

Between 0.257 inches and 0.279 inches

Internal Drive Style

Cross recess type 1

Nonmachine Thread Style

Double flute (type f)

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Nonmachine Thread Diameter

0.139 inches

Part Name Assigned By Controlling Agency

Screw, tapping, thread cutting, 82-degree flat head, fluted

Material

Steel comp 410

NSN

5305-01-629-8936

Part Number

AN531C6RF8

Description

Screw,tapping

CAGE

88044

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes screw, assembled washer.

Part AN531C6RF8 NSN 5305-01-629-8936

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

41756

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: 7318140000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Self-tapping screws of iron or steel