505M109

Machine Screw

This page provides complete and verified information for part number 505M109, NSN 5305-01-059-7420

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-059-7420

Item Name Code

06657

Assigment Date

04/15/1978 (48 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.

fillister head style, 0.089 inches minimum and 0.125 inches maximum thread length, right-hand thread direction, 2a thread class, 0.125 inches nominal fastener length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.089 inches minimum and 0.125 inches maximum
Fastener Length: 0.125 inches nominal
Head Style: fillister
Head Diameter: 0.124 inches minimum and 0.140 inches maximum
Head Height: 0.053 inches minimum and 0.062 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Screw Material: steel comp 302 or steel comp 303 or steel comp 305
Screw Surface Treatment: passivate
Thread Series Designator: unc

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
Source of Supply
Demilitarization
Criticality
Federal Item Identification Guide
Precious Metals Indicator
Pseudo Item Name Code
Hazardous Material Indicator
Schedule B Code

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 505M109

What is the FSCG of the NSN 5305-01-059-7420?

The FSCG of the NSN 5305-01-059-7420 is 5305

Does the NSN 5305-01-059-7420 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-059-7420 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 5305-01-059-7420 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-059-7420 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 5305-01-059-7420 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sat, Apr 15, 1978