5305-01-425-8826

Find complete technical information, availability, and procurement data for: 5305-01-425-8826
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-425-8826

Item Name Code

29294

Assigment Date

02/29/1996 (30 years ago)

A device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion, by maintaining correct impedance match.

0.403 inches nominal thread length, 1.950 inches minimum and 1.980 inches maximum fastener length, 3a thread class, flat countersunk 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: 3a
Thread Direction: right-hand
Thread Length: 0.403 inches nominal
Fastener Length: 1.950 inches minimum and 1.980 inches maximum
Head Style: flat countersunk
Head Diameter: 0.3504 inches minimum and 0.3988 inches maximum
Grip Diameter: 0.248 inches nominal
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.965 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 3200 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp 4130 or steel comp 4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6047 mil spec 3rd material response overall
Surface Treatment: cadmium or passivate overall
Surface Treatment Document And Classification: qq-p-416, ty 2, cl 2 fed spec 1st treatment response or qq-p-35 fed spec 2nd treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1581 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
NAS1581F4T25	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-425-8826?

The FSCG of the NSN 5305-01-425-8826 is 5305

Does the NSN 5305-01-425-8826 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-425-8826 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 5305-01-425-8826 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-425-8826 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 5305-01-425-8826 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Feb 29, 1996