Model: DPY 7900-4-B-2.5

Panel Screw Assembly

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.175 inches

Fastener Length

Between 0.472 inches and 0.482 inches

Head Style

Flat countersunk

Head Diameter

0.231 inches

Material Accommodated Thickness

Between 0.090 inches and 0.125 inches

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Hardness Rating

34.0 rockwell c fastener and 38.0 rockwell c fastener

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Copper alloy 360 stand-off

Material

Steel comp 4037 fastener

Material Specification

Qq-b-626 federal specification single material response stand-off

Surface Treatment

Cadmium fastener

Surface Treatment

Cadmium stand-off

Surface Treatment Specification

Qq-p-416, type 1 cl 2 federal specification single treatment response fastener

Surface Treatment Specification

Qq-p-416, type 1 cl 2 federal specification single treatment response stand-off

Thread Series Designator

Unc

NSN

5305-01-170-6204

Part Number

DPY 7900-4-B-2.5

Description

Screw Assembly,panel

CAGE

17446

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 DPY 7900-4-B-2.5 NSN 5305-01-170-6204

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:

096630

UFC:

50590

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