Model: AN520C3R3

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.137 inches

Fastener Length

Between 0.157 inches and 0.188 inches

Head Style

Round

Head Diameter

Between 0.169 inches and 0.187 inches

Head Height

0.078 inches

Internal Drive Style

Cross recess type 1

End Application

Spec item

Thread Diameter

0.099 inches

Thready Qty Per Inch (tpi)

Screw Material

Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385

Screw Material Specification

66 federal standard 1st material response or 66 federal standard 2nd material response or 66 federal standard 2nd material response or qq-s-763 federal specification 2nd material response or 66 federal standard 3rd material response or 66 federal standard 4th material response or astm a582 assn standard 4th material response or 66 federal standard 5th material response or astm a582 assn standard 5th material response or 66 federal specification 6th material response or 66 federal standard 7th material response or 66 federal standard 8th material response or qq-s-763 federal specification 8th material response or 66 federal standard 9th material response or 66 federal standard 10th material response or qq-s-763 federal specification 10th material response or 66 federal standard 11th material response or 66 federal standard 12th material response or qq-s-763 federal specification 12th material response or 66 federal standard 13th material response or 66 federal standard 14th material response or 66 federal standard 15th material response or qq-s-763 federal specification 15th material response or 66 federal standard 16th material response or qq-s-763 federal specification 16th material response or 66 federal standard 17th material response or qq-s-763 federal specification 17th material response or 66 federal standard 18th material response or qq-s-763 federal specification 18th material response or 66 federal standard 19th material response or qq-s-763 federal specification 19th material response or 66 federal standard 20th material response or 66 federal standard 21st material response or 66 federal standard 22nd material response

Screw Surface Treatment

Passivate

Thread Series Designator

Unf

NSN

5305-00-637-6961

Part Number

AN520C3R3

Description

Screw,machine

CAGE

88044

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Part AN520C3R3 NSN 5305-00-637-6961

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

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