5305-01-110-1898

Find complete technical information, availability, and procurement data for: 5305-01-110-1898
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-110-1898

Item Name Code

29294

Assigment Date

03/27/1981 (45 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.

flat countersunk head style, right-hand thread direction, 0.798 inches minimum and 0.828 inches maximum fastener length, 0.438 inches nominal thread length, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.438 inches nominal
Fastener Length: 0.798 inches minimum and 0.828 inches maximum
Head Style: flat countersunk
Head Diameter: 0.564 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.111 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.365 inches minimum and 0.385 inches maximum
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.673 inches minimum and 0.713 inches maximum first hole
Material: steel corrosion resisting overall
Material Document And Classification: 23-112 fscm 76301 mfr ref single material response overall
Surface Treatment: aluminum overall
Surface Treatment Document And Classification: mil-c-83488 type 2 class 3 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
3M938-6D6-7	Close Tolerance Screw
HT4072-6D6-7	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-110-1898?

The FSCG of the NSN 5305-01-110-1898 is 5305

Does the NSN 5305-01-110-1898 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-110-1898 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 5305-01-110-1898 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-110-1898 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 5305-01-110-1898 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Mar 27, 1981