5305-01-031-8325

Find complete technical information, availability, and procurement data for: 5305-01-031-8325
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-031-8325

Item Name Code

06657

Assigment Date

12/02/1976 (49 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.312 inches nominal thread length, flat countersunk head style, right-hand thread direction, 2a thread class, 0.312 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.312 inches nominal
Fastener Length: 0.312 inches nominal
Head Style: flat countersunk
Head Diameter: 0.207 inches minimum and 0.225 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Countersink Angle: 82.0 degrees nominal
Screw Material: steel corrosion resisting
Screw Surface Treatment: passivate
Thread Series Designator: unc

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
1313437-25	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-031-8325?

The FSCG of the NSN 5305-01-031-8325 is 5305

Does the NSN 5305-01-031-8325 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-031-8325 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 5305-01-031-8325 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-031-8325 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 5305-01-031-8325 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Dec 2, 1976