Panel Screw Assembly NSN 5305-01-553-3543

Item Description

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.

NSN: 5305-01-553-3543

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 0.585 inches and 0.595 inches

Head Style

Pan

Head Diameter

Between 0.320 inches and 0.330 inches

Head Height

0.110 inches

Internal Drive Style

Hexagon

Thread Diameter

0.164 inches

Width Across Flats

Between 0.157 inches and 0.160 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Stud assembly plus flush

Lead Thread Quantity

Four

Special Features

Recess plug depth is 0.179 - 0.191 inches; internal threads

Material

Steel fastener

Material Specification

Astm a240 assn standard 1st material response bearing surface of head and astm a167 assn standard 2nd material response bearing surface of head and astm a666 assn standard 3rd material response bearing surface of head

Surface Treatment

Passivate bearing surface of head

Surface Treatment Specification

Qq-p-416, ty2 cl2 federal specification all treatment responses fastener

Thread Series Designator

Unf

FSC

5305 Screws

NIIN

015533543

NSN

5305015533543

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

18S03-1-1AA

Cage Code:

71286

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318152000
NAICS: 332722
SITC: 69421
Description: Bolts and bolts and their nuts or washers exported in the same shipment
End Use (Code 12110):
Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-553-3543

What are the manufacturers of nsn 5305015533543?

Arconic Global Fasteners & Rings, (71286)

Does this nsn 5305015533543 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305015533543
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.

Does nsn 5305015533543 contain any precious metals?
No precious metal content.

Does nsn 5305015533543 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305015533543?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

33044

FIIG:

A003B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service