Model: 841581-75

Panel Screw Assembly

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.235 inches and 0.280 inches

Fastener Length

Between 1.110 inches and 1.140 inches

Head Style

Pan

Head Diameter

Between 0.186 inches and 0.199 inches

Head Height

Between 0.100 inches and 0.124 inches

Internal Drive Style

Cross recess type 1

Material Accommodated Thickness

Between 0.086 inches and 0.106 inches

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 301 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 a 493 assn standard single material response primary washerams 5688 assn standard single material response springqq-s-763 federal specification single material response stand-offastm a 493 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

Unc

NSN

5305-01-374-5393

Part Number

841581-75

Description

Screw Assembly,panel

CAGE

06481

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 841581-75 NSN 5305-01-374-5393

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