Model: DSD7900-8-B-4

Panel Screw Assembly

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.217 inches and 0.262 inches

Fastener Length

Between 0.860 inches and 0.890 inches

Head Style

Pan

Head Diameter

Between 0.299 inches and 0.329 inches

Head Height

Between 0.081 inches and 0.111 inches

Internal Drive Style

Slot

Material Accommodated Thickness

Between 0.084 inches and 0.104 inches

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Color

Black secondary washerblack primary washerblack stand-offblack fastener

Material

Steel comp 303 secondary washersteel comp 302 primary washersteel comp 302 springsteel comp 304 stand-offsteel comp 302 fastener

Material Specification

Mil-s-5059 military specification single material response secondary washerastm a493 assn standard single material response primary washerams 5688 assn standard single material response springqq-s-763 federal specification single material response stand-offastm a493 assn standard single material response fastener

Surface Treatment

Oxide secondary washeroxide primary washerpassivate springoxide stand-offoxide fastener

Surface Treatment Specification

Mil-c-13924 military specification single treatment response secondary washermil-c-13924 military specification single treatment response primary washerqq-p-35 federal specification single treatment response springmil-c-13924 military specification single treatment response stand-offmil-c-13924 military specification single treatment response fastener

Thread Series Designator

Unf

NSN

5305-01-351-7083

Part Number

DSD7900-8-B-4

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 DSD7900-8-B-4 NSN 5305-01-351-7083

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:

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:

573

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