Model: 290-402 1/2SS

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.156 inches

Fastener Length

0.156 inches

Head Style

Flat chamfer

Head Diameter

Between 0.178 inches and 0.183 inches

Head Height

Between 0.109 inches and 0.112 inches

Hole Diameter

0.037 inches

Internal Drive Style

Hexagon

Thread Diameter

0.112 inches

Width Across Flats

0.079 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Hole Configuration Style

Round

Material

Copper alloy 377

Material Specification

Qq-b-611a, cond 1/2 hard federal specification single material response

Thread Series Designator

Unf

NSN

5305-00-639-3377

Part Number

290-402 1/2SS

Description

Screw,cap,socket Head

CAGE

1NZ85

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 290-402 1/2SS NSN 5305-00-639-3377

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096630

UFC:

50590

LTL:

70.0

LCL:

70.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415338550
SITC: 69433
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts