Model: CA28159-4-12PK

Panel Screw Assembly

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.360 inches and 0.390 inches

Head Style

Fillister

Head Diameter

Between 0.380 inches and 0.420 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 302 secondary washersteel comp 302 primary washer or steel comp 302b primary washer or steel comp 303 primary washer or steel comp 303 plus x primary washer or steel comp 303se primary washer or steel comp 303cu primary washer or steel comp 303ma primary washer or steel comp 304 primary washer or steel comp 304l primary washersteel comp 302 springsteel comp 303 stand-off or steel comp 303ma stand-off or steel comp 303pb stand-off or steel comp 303 plus x stand-off or steel comp 303se stand-off or steel comp 304 stand-offsteel comp 301 fastener or steel comp 302 fastener or steel comp 302b fastener or steel comp 303 fastener or steel comp 303se fastener or steel comp 304 fastener or steel comp 304l fastener or steel comp 305 fastener or steel comp 308 fastener or steel comp 309 fastener or steel comp 309s fastener or steel comp 310 fastener or steel comp 310s fastener or steel comp 314 fastener or steel comp 316 fastener or steel comp 316l fastener or steel comp 317 fastener or steel comp 321 fastener or steel comp 347 fastener or steel comp 348 fastener or steel comp 384 fastener or steel comp 385 fastener

Material Specification

Mil-s-5059 military specification single material response secondary washerastm a313 assn standard single material response spring

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unf

NSN

5305-01-320-4909

Part Number

CA28159-4-12PK

Description

Screw Assembly,panel

CAGE

29372

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 CA28159-4-12PK NSN 5305-01-320-4909

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