Model: 7991STM3X20

Socket Head Cap Screw

Properties:

Thread Direction

Right-hand

Thread Length

Between 19.0 millimeters and 20.0 millimeters

Fastener Length

20.0 millimeters

Head Style

Flat countersunk

Head Diameter

6.0 millimeters

Internal Drive Style

Hexagon

Thread Diameter

3.0 millimeters

Width Across Flats

2.0 millimeters

Thread Pitch In Millimeters

0.5

External Thread Tolerance Class

Countersink Angle

90.0 degrees

Material

Steel comp 304

Thread Series Designator

NSN

5305-01-334-1047

Part Number

7991STM3X20

Description

Screw,cap,socket Head

CAGE

15526

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 7991STM3X20 NSN 5305-01-334-1047

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:

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