Model: A51G20542-11

Socket Head Cap Screw

Description:

3a thread class, right-hand , 0.280 inches thread length, 1.843 inches fastener length, 0.500 inches head diameter, 0.023 inches head height.

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.280 inches

Fastener Length

1.843 inches

Head Diameter

0.500 inches

Head Height

0.023 inches

Locking Feature

Pellet threads

Shank Unthreaded Hole Diameter

0.061 inches first hole and 0.066 inches first hole

Shank Unthreaded Hole Diameter

0.061 inches and 0.066 inches first hole

Internal Drive Style

W/o internal drive

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Navy special project

Material

Aluminum alloy 2024 fastener

Material

Aluminum alloy 6061 stand-off

Material Specification

Qq-a-225/6 federal specification single material response fastener

Material Specification

Ww-t-700/6 federal specification single material response stand-off

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-00-004-2984

Part Number

A51G20542-11

Description

Screw,cap,socket Head

CAGE

61174

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 A51G20542-11 NSN 5305-00-004-2984

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616106000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Threaded fasteners of aluminum