5305-01-121-2686

Find complete technical information, availability, and procurement data for: 5305-01-121-2686
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-121-2686

Item Name Code

06657

Assigment Date

11/04/1981 (44 years ago)

1.065 inches minimum and 1.125 inches maximum fastener length, 1.040 inches minimum and 1.125 inches maximum thread length, 2a thread class, fillister head style, right-hand thread direction

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.040 inches minimum and 1.125 inches maximum
Fastener Length: 1.065 inches minimum and 1.125 inches maximum
Head Style: fillister
Head Diameter: 0.166 inches minimum and 0.183 inches maximum
Head Height: 0.072 inches minimum and 0.079 inches maximum
Hole Diameter: 0.037 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Hole Quantity: 1
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 35000 pounds per square inch
Screw Material: steel
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response
Head Hole Configuration Style: round
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-107-4546	No Name Available	06/01/1988

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
BYRF2055	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-121-2686?

The FSCG of the NSN 5305-01-121-2686 is 5305

Does the NSN 5305-01-121-2686 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-121-2686 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 5305-01-121-2686 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-121-2686 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 5305-01-121-2686 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Nov 4, 1981