Model: PWA81871-4

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.254 inches

Fastener Length

9.314 inches

Head Style

Flat countersunk

Head Diameter

Between 0.311 inches and 0.359 inches

Internal Drive Style

Hexagon

Thread Diameter

0.164 inches

Width Across Flats

0.094 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

75000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Material

Steel comp 302

Material Specification

Astm f837 assn standard single material response

Thread Series Designator

Unc

NSN

5305-01-438-9953

Part Number

PWA81871-4

Description

Screw,cap,socket Head

CAGE

77445

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 PWA81871-4 NSN 5305-01-438-9953

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:

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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