Model: 021-31701-000

Socket Head Cap Screw

Special Features:

Fastener is per ansi b18.3

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.360 inches

Fastener Length

0.375 inches

Head Style

Flat chamfer

Head Diameter

0.312 inches

Head Height

0.190 inches

Internal Drive Style

Hexagon

End Application

Piping system units 2 and 4 , ssn 688 class

Thread Diameter

0.190 inches

Width Across Flats

0.156 inches

Thready Qty Per Inch (tpi)

Material

Steel fastener

Material Specification

Mil-f-18240.Ty p military specification single material response locking feature

Thread Series Designator

Unc

NSN

5305-01-556-0040

Part Number

021-31701-000

Description

Screw,cap,socket Head

CAGE

66935

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 021-31701-000 NSN 5305-01-556-0040

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:

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:

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