5305-01-231-5906

Find complete technical information, availability, and procurement data for: 5305-01-231-5906
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-231-5906

Item Name Code

22846

Assigment Date

04/30/1986 (40 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

2a thread class, 1.1590 inches minimum and 1.2190 inches maximum fastener length, right-hand thread direction, 0.1565 inches minimum and 0.2185 inches maximum thread length, flat chamfer head style

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: 0.1565 inches minimum and 0.2185 inches maximum
Fastener Length: 1.1590 inches minimum and 1.2190 inches maximum
Head Style: flat chamfer
Head Diameter: 0.281 inches minimum and 0.343 inches maximum
Head Height: 0.125 inches minimum and 0.187 inches maximum
Shoulder Diameter: 0.1869 inches minimum and 0.1870 inches maximum first shoulder
Shoulder Length: 1.0005 inches minimum and 1.0025 inches maximum first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.094 inches minimum and 0.095 inches maximum
Thread Quantity Per Inch: 32
Shoulder Shape: round first shoulder
Material: steel comp 303 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
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
411200-42	Shoulder Screw
523817-14	Shoulder Screw
PZ-14-3	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-231-5906?

The FSCG of the NSN 5305-01-231-5906 is 5305

Does the NSN 5305-01-231-5906 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-231-5906 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 5305-01-231-5906 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-231-5906 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 5305-01-231-5906 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Apr 30, 1986