5305-01-424-3572

Find complete technical information, availability, and procurement data for: 5305-01-424-3572
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-424-3572

Item Name Code

06657

Assigment Date

01/26/1996 (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.

2a thread class, 0.497 inches nominal thread length, flat countersunk head style, 0.719 inches minimum and 0.750 inches maximum fastener length, left-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: left-hand
Thread Length: 0.497 inches nominal
Fastener Length: 0.719 inches minimum and 0.750 inches maximum
Head Style: flat countersunk
Head Diameter: 0.452 inches minimum and 0.507 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: mrap - cougar
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 316
Screw Material Document And Classification: qq-s-763 fed spec single material response or ff-s-86 fed std single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
Special Features: cres comp 316 only
Thread Series Designator: unc
Departure From Cited Document: as modified by material

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
MS51959-81S316	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-424-3572?

The FSCG of the NSN 5305-01-424-3572 is 5305

Does the NSN 5305-01-424-3572 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-424-3572 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 5305-01-424-3572 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-424-3572 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 5305-01-424-3572 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Jan 26, 1996