Model: AN531-10R8

Tapping Screw

Properties:

Fastener Length

0.500 inches

Head Style

Flat countersunk

Head Diameter

Between 0.359 inches and 0.385 inches

Internal Drive Style

Cross recess type 1

Nonmachine Thread Style

Dog type (type b or c)

Countersink Angle

82.0 degrees

Nonmachine Thread Diameter

0.189 inches

Material

Steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740 or steel comp 4037

Material Specification

Mil-s-6049 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-6758 military specification 4th material response or an-s-9 federal specification 5th material response

NSN

5305-00-167-2923

Part Number

AN531-10R8

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 AN531-10R8 NSN 5305-00-167-2923

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:

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

Freight Class: Self-tapping screws of iron or steel