Model: HLDB7900-4-A-1

Panel Screw Assembly

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.125 inches and 0.155 inches

Fastener Length

Between 0.270 inches and 0.300 inches

Head Style

Flat chamfer

Head Diameter

Between 0.204 inches and 0.234 inches

Head Height

Between 0.095 inches and 0.125 inches

Internal Drive Style

Hexagon

Material Accommodated Thickness

Between 0.031 inches and 0.062 inches

Thread Diameter

0.112 inches

Width Across Flats

Between 0.094 inches and 0.095 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Material

Iron alloy 660 fastener

Material

Steel comp 304 stand-off

Material Specification

Ams5732 assn standard single material response fastener

Material Specification

Qq-s-763 federal specification single material response stand-off

Surface Treatment

Passivate fastener

Surface Treatment

Passivate stand-off

Surface Treatment Specification

Qq-p-35 federal specification single treatment response fastener

Surface Treatment Specification

Qq-p-35 federal specification single treatment response stand-off

Thread Series Designator

Unc

NSN

5305-01-254-4190

Part Number

HLDB7900-4-A-1

Description

Screw Assembly,panel

CAGE

0HDW7

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

Part HLDB7900-4-A-1 NSN 5305-01-254-4190

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

33044

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