089-05923-0005

View detailed technical data, stock status, and sourcing information for: 089-05923-0005
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-231-3256

Item Name Code

06657

Assigment Date

04/25/1986 (40 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

right-hand thread direction, 0.245 inches minimum and 0.312 inches maximum thread length, binding head style, 2a thread class, 0.281 inches minimum and 0.312 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: 2a
Thread Direction: right-hand
Thread Length: 0.245 inches minimum and 0.312 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: binding
Head Diameter: 0.171 inches minimum and 0.181 inches maximum
Head Height: 0.041 inches minimum and 0.046 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 125000 pounds per square inch
Screw Surface Treatment Document And Classification: mil-f-495 mil spec 1st treatment response or mil-f-13924 mil spec 2nd treatment response
Color: black
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
089-05923-0005	Machine Screw
6432-0205	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-231-3256?

The FSCG of the NSN 5305-01-231-3256 is 5305

Does NSN 5305-01-231-3256 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 5305-01-231-3256 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-231-3256 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 5305-01-231-3256 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Fri, Apr 25, 1986