Model: 71111-428-1

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Left-hand

Thread Length

0.650 inches

Fastener Length

6.119 inches

Head Style

Watertight

Head Diameter

0.370 inches

Head Height

Between 0.244 inches and 0.250 inches

Locking Feature

Distortions threads

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.1875 inches and 0.1900 inches

Thready Qty Per Inch (tpi)

Hardness Rating

35.0 rockwell c and 40.0 rockwell c

Material

Steel comp 8740 or steel comp 4340

Material Specification

Ams 6322 assn standard 1st material response or ams 6415 assn standard 2nd material response

Surface Treatment

Chromium grip

Surface Treatment

Chromium sides of head

Surface Treatment Specification

Qq-c-320, class 2 federal specification single treatment response grip

Surface Treatment Specification

Qq-c-320, class 2 federal specification single treatment response sides of head

Thread Series Designator

Unf

NSN

5305-00-678-9659

Part Number

71111-428-1

Description

Screw,cap,socket Head

CAGE

56878

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 71111-428-1 NSN 5305-00-678-9659

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: 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