HT4009-4-7

View detailed technical data, stock status, and sourcing information for: HT4009-4-7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-045-9634

Item Name Code

22846

Assigment Date

08/10/1977 (49 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

right-hand thread direction, 0.820 inches minimum and 0.850 inches maximum fastener length, 3a thread class, flat countersunk head style, 0.372 inches minimum and 0.422 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: 0.372 inches minimum and 0.422 inches maximum
Fastener Length: 0.820 inches minimum and 0.850 inches maximum
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Shoulder Diameter: 0.2802 inches minimum and 0.2807 inches maximum first shoulder
Shoulder Length: 0.333 inches minimum and 0.353 inches maximum first shoulder
Internal Drive Style: high-torque
End Item Identification: fms - aircraft, hornet f/a-18;aircraft, eagle f-15;aircraft, hornet f/a-18;aircraft, harrier av-8b
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Special Features: internal hexagon socket in thread end 0.0947 in. min and 0.0967 in. max width across flats
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material 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
HT4009-4-7	Shoulder Screw
ST3M505-4-7	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-045-9634?

The FSCG of the NSN 5305-01-045-9634 is 5305

Does the NSN 5305-01-045-9634 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-045-9634 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 5305-01-045-9634 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-045-9634 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 5305-01-045-9634 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, Aug 10, 1977