5305-01-426-1226

Find complete technical information, availability, and procurement data for: 5305-01-426-1226
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-426-1226

Item Name Code

06657

Assigment Date

03/05/1996 (30 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

0.719 inches minimum and 0.750 inches maximum thread length, right-hand thread direction, 3a thread class, flat countersunk head style, 0.719 inches minimum and 0.750 inches maximum fastener length

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.719 inches minimum and 0.750 inches maximum
Fastener Length: 0.719 inches minimum and 0.750 inches maximum
Head Style: flat countersunk
Head Diameter: 0.617 inches minimum and 0.635 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Screw Material Document And Classification: mil-s-6758 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416, ty2 cl2 fed spec all treatment responses
Color: black
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas514 professional/industrial association standard

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
NAS514P524-12B	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-426-1226?

The FSCG of the NSN 5305-01-426-1226 is 5305

Does the NSN 5305-01-426-1226 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-426-1226 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 5305-01-426-1226 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-426-1226 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 5305-01-426-1226 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Mar 5, 1996