5305-01-261-1869

Find complete technical information, availability, and procurement data for: 5305-01-261-1869
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5305-01-261-1869 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-261-1869

Item Name Code

06657

Assigment Date

08/10/1987 (38 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.

0.250 inches nominal thread length, flat countersunk head style, 0.250 inches nominal fastener length, right-hand thread direction, 2a thread class

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: 0.250 inches nominal
Fastener Length: 0.250 inches nominal
Head Style: flat countersunk
Head Diameter: 0.238 inches minimum and 0.279 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel
Screw Surface Treatment: oxide
Screw Surface Treatment Document And Classification: mil-c13924 mil spec single treatment response
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
7318423-00	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-261-1869?

The FSCG of the NSN 5305-01-261-1869 is 5305

Does the NSN 5305-01-261-1869 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-261-1869 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 5305-01-261-1869 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-261-1869 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 5305-01-261-1869 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Aug 10, 1987