Model: M19-21121-D PC173

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

3.500 inches

Fastener Length

3.500 inches

Internal Drive Style

Hexagon

Thread Diameter

0.750 inches

Width Across Flats

Between 1.190 inches and 1.200 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Oxide

Surface Treatment Specification

Ff-s-860 federal specification 1st treatment response or asab18.3 assn standard 2nd treatment response

Thread Series Designator

Unc

NSN

5305-01-467-6465

Part Number

M19-21121-D PC173

Description

Screw,cap,socket Head

CAGE

9F512

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 M19-21121-D PC173 NSN 5305-01-467-6465

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