Model: MS21090-0840

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.635 inches and 0.645 inches

Fastener Length

Between 0.719 inches and 0.750 inches

Head Style

Pan

Head Diameter

Between 0.306 inches and 0.322 inches

Head Height

Between 0.105 inches and 0.115 inches

Locking Feature

Patch threads or pellet threads or strip threads

Internal Drive Style

Cross recess type 1

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

60000 pounds per square inch

Material

Steel

Material Specification

Astm a576 assn standard single material response or astm a108 assn standard single material response or qq-s-637 federal specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 ty2, class 3 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-078-0246

Part Number

MS21090-0840

Description

Screw,cap,socket Head

CAGE

80205

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 MS21090-0840 NSN 5305-00-078-0246

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:

0.1000lbs

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

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