Model: SC-289-1

Socket Head Cap Screw

Properties:

Thread Direction

Right-hand

Fastener Length

0.750 inches

Head Style

Flat countersunk

Locking Feature

Pellet threads

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 80.0 degrees and 82.0 degrees

Part Name Assigned By Controlling Agency

Screw, cap, socket head

Material

Steel fastener

Material Specification

Sae j429 gr 8 assn standard single material response fastener

Surface Treatment

Cadmium fastener

Thread Series Designator

Unf

NSN

5305-01-421-1864

Part Number

SC-289-1

Description

Screw,cap,socket Head

CAGE

00994

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 SC-289-1 NSN 5305-01-421-1864

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:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Instruments/Radio

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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