HT4024L4D9-1

View detailed technical data, stock status, and sourcing information for: HT4024L4D9-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-268-5682

Item Name Code

29294

Assigment Date

12/03/1987 (38 years ago)

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

right-hand thread direction, 3a thread class, 1.016 inches minimum and 1.046 inches maximum fastener length, 0.444 inches minimum and 0.494 inches maximum thread length, fillister countersunk 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: 3a
Thread Direction: right-hand
Thread Length: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 1.016 inches minimum and 1.046 inches maximum
Head Style: fillister countersunk
Head Diameter: 0.390 inches minimum and 0.395 inches maximum
Head Height: 0.015 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.081 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 28
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: 0.895 inches minimum and 0.935 inches maximum first hole
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 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: 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
11907-4LD-9-1	Close Tolerance Screw
HT4024L4D9-1	Close Tolerance Screw
ST3M455-4LD-9-1	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-268-5682?

The FSCG of the NSN 5305-01-268-5682 is 5305

Does the NSN 5305-01-268-5682 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-268-5682 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 5305-01-268-5682 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-268-5682 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 5305-01-268-5682 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Dec 3, 1987