Model: 20507-7

Machine Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.281 inches and 0.312 inches

Fastener Length

Between 0.281 inches and 0.312 inches

Head Style

Flat countersunk

Head Diameter

Between 0.257 inches and 0.279 inches

Internal Drive Style

Slot

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

60000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Screw Material Specification

Qq-s-634 federal specification all material responses

Screw Surface Treatment

Cadmium

Screw Surface Treatment Specification

Qq-p-416, type 2, cl c federal specification single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

I type and 2s style

NSN

5305-00-013-3418

Part Number

20507-7

Description

Screw,machine

CAGE

99551

Part 20507-7 NSN 5305-00-013-3418

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:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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