5305-00-040-9449

Find complete technical information, availability, and procurement data for: 5305-00-040-9449
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-040-9449

Item Name Code

29294

Assigment Date

11/13/1972 (53 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.

0.441 inches minimum and 0.508 inches maximum thread length, flat countersunk head style, 2.263 inches minimum and 2.310 inches maximum fastener length, 3a thread class, right-hand thread direction

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: 0.441 inches minimum and 0.508 inches maximum
Fastener Length: 2.263 inches minimum and 2.310 inches maximum
Head Style: flat countersunk
Head Diameter: 0.625 inches minimum and 0.635 inches maximum
Grip Diameter: 0.3115 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.081 inches maximum first hole
Internal Drive Style: high-torque
End Item Identification: aircraft,phantom f-4
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.802 inches minimum and 1.822 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.186 inches maximum first hole
Material: steel corrosion resisting overall
Thread Series Designator: unjf
Specification/Standard Data: 08524-b-19019 manufacturers standard

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
106830-5D29	Close Tolerance Screw
11905-5D29	Close Tolerance Screw
BM19019-5D29	Close Tolerance Screw
HT295-5D29	Close Tolerance Screw
HT8140-5D29	Close Tolerance Screw
ST3M454-5D29	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-040-9449?

The FSCG of the NSN 5305-00-040-9449 is 5305

Does the NSN 5305-00-040-9449 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-040-9449 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 5305-00-040-9449 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-040-9449 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 5305-00-040-9449 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Mon, Nov 13, 1972