209120

View detailed technical data, stock status, and sourcing information for: 209120
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-053-1108

Item Name Code

41756

Assigment Date

01/01/1963 (63 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

0.155 inches minimum and 0.167 inches maximum head diameter, cross recess type 1 internal drive style, 0.053 inches minimum and 0.062 inches maximum head height, 0.094 inches minimum and 0.125 inches maximum fastener length, pan head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.094 inches minimum and 0.125 inches maximum
Head Style: pan
Head Diameter: 0.155 inches minimum and 0.167 inches maximum
Head Height: 0.053 inches minimum and 0.062 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: w/s:aircraft, airlifter c-17a; aircraft (ac-130h, mc-130h, ec-130h, hc-130); helicopter, advance attack, ah-1w; engine, aircraft tf33-pw-102 (c-135e, ec-135h/k/p); aircraft, c-2a (reprocured); engine, aircraft tf33-p-3/5/9 (c/ec-135, b-52h); sas (starting air sys), ffg-7; helicopter, mh-53e; engine, aircraft, tf-33-p-7 (c-141a/b)
Features Provided: casehardened
Nonmachine Thread Style: dog type (type b or c)
Nonmachine Nominal Thread Diameter: 0.086 inches
Material: steel comp 1016 or steel comp 1018 or steel comp 1019 or steel comp 1021 or steel comp 1022 or steel comp 1524 overall
Material Document And Classification: aisi assn std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec all treatment responses overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-057-8071	No Name Available	08/01/1982
5305-00-206-8765	Tapping Screw	07/01/2025
5305-00-255-5383	No Name Available	06/03/1974
5305-00-281-5860	No Name Available	05/03/2010
5305-00-638-0311	No Name Available	09/24/1996
5305-00-688-2110	No Name Available	11/01/2000
5305-00-800-8661	No Name Available	10/27/2016
5305-00-880-6069	No Name Available	06/16/1972
5305-00-993-9431	No Name Available	11/01/1999

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
063-058	Tapping Screw
10333179	Tapping Screw
209120	Tapping Screw
B2X0+125LG	Tapping Screw
MS24621-1	Tapping Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-053-1108?

The FSCG of the NSN 5305-00-053-1108 is 5305

Does the NSN 5305-00-053-1108 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-053-1108 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-053-1108 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-053-1108 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-00-053-1108 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963