5305-01-183-5873

Find complete technical information, availability, and procurement data for: 5305-01-183-5873
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-183-5873

Item Name Code

29294

Assigment Date

07/07/1984 (42 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.

right-hand thread direction, 0.641 inches minimum and 0.671 inches maximum fastener length, flat countersunk head style, 3a thread class, 0.381 inches minimum and 0.431 inches maximum thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.381 inches minimum and 0.431 inches maximum
Fastener Length: 0.641 inches minimum and 0.671 inches maximum
Head Style: flat countersunk
Head Diameter: 0.338 inches minimum and 0.381 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches minimum and 0.075 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.520 inches minimum and 0.560 inches maximum first hole
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: aluminum and chromate overall
Surface Treatment Document And Classification: mil-c-83488 ty2 cl3 mil spec single treatment response overall
Thread Series Designator: unjf

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
HT4057-3D4	Close Tolerance Screw
HT4057-3D4A	Close Tolerance Screw
ST3M733-3D4	Close Tolerance Screw
ST3M733-3DL-4	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-183-5873?

The FSCG of the NSN 5305-01-183-5873 is 5305

Does the NSN 5305-01-183-5873 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-183-5873 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 5305-01-183-5873 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-183-5873 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 5305-01-183-5873 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Sat, Jul 7, 1984