Model: 171549H02

Panel Screw Assembly

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 0.417 inches and 0.457 inches

Head Style

Pan

Head Diameter

Between 0.250 inches and 0.290 inches

Head Height

Between 0.100 inches and 0.150 inches

Internal Drive Style

Cross recess type 1

Material Accommodated Thickness

Between 0.049 inches and 0.059 inches

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Material

Aluminum alloy 7075 stand-offsteel comp 302 fastener

Material Specification

Qq-a-225/9 federal specification single material response stand-off or ams 4122 assn standard single material response stand-offastm a581 assn standard single material response fastener or ams 5636 assn standard single material response fastener

Surface Treatment

Chromate stand-off or anodize stand-offpassivate fastener

Surface Treatment Specification

Mil-c-5541 military specification 1st treatment response stand-off or mil-a-8625 military specification 2nd treatment response stand-offqq-p-35 federal specification single treatment response fastener

Thread Series Designator

Unc

NSN

5305-01-362-4460

Part Number

171549H02

Description

Screw Assembly,panel

CAGE

61742

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 171549H02 NSN 5305-01-362-4460

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:

096640

UFC:

50600

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