Model: 20428-002 FIND 99

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.649 inches

Fastener Length

Between 0.720 inches and 0.750 inches

Head Style

Flat chamfer

Head Diameter

Between 0.365 inches and 0.375 inches

Head Height

Between 0.244 inches and 0.250 inches

Hole Diameter

Between 0.044 inches and 0.050 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.1875 inches and 0.1900 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hole Configuration Style

Round internal hexagon

Material

Iron alloy 660

Material Specification

Ams 5731 assn standard single material response or ams 5737 assn standard single material response

Precious Material And Location

silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2411 assn standard single treatment response

Thread Series Designator

Unrf

Specification Data

80205-nas1351 professional/industrial association standard

NSN

5305-01-320-8040

Part Number

20428-002 FIND 99

Description

Screw,cap,socket Head

CAGE

78062

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 20428-002 FIND 99 NSN 5305-01-320-8040

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096660

UFC:

50620

LTL:

100.0

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