Model: 21-1068P

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.625 inches

Fastener Length

1.125 inches

Head Style

Flat countersunk

Head Diameter

Between 0.458 inches and 0.468 inches

Internal Drive Style

Hexagon

Thread Diameter

0.312 inches

Width Across Flats

0.125 inches

Thready Qty Per Inch (tpi)

Hardness Rating

34.0 rockwell c and 38.0 rockwell c

Countersink Angle

45.0 degrees

Material

Steel comp 3140

Material Specification

Sae assn standard single material response

Thread Series Designator

Unf

NSN

5305-00-639-3374

Part Number

21-1068P

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 21-1068P NSN 5305-00-639-3374

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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