NAS144DH26R

View detailed technical data, stock status, and sourcing information for: NAS144DH26R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-572-6650

Item Name Code

06666

Assigment Date

03/19/2009 (17 years ago)

An item consisting of springs, o-rings, plungers and miscellaneous internal and external parts that provide atomized fuel at specific pressure(s) to engine combustion chambers. It may include nozzle, fuel injection.

right-hand thread direction, 0.475 inches minimum and 0.525 inches maximum thread length, bevel-conical head style, 3a thread class, 1.610 inches minimum and 1.640 inches maximum fastener 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: 0.475 inches minimum and 0.525 inches maximum
Fastener Length: 1.610 inches minimum and 1.640 inches maximum
Head Style: bevel-conical
Head Diameter: 0.381 inches nominal
Head Height: 0.226 inches nominal
Hole Diameter: 0.046 inches minimum and 0.051 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.219 inches minimum and 0.221 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 34.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: round
Special Features: threads have been rolled after heat treat
Material: steel comp 4140 or steel comp 4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, ty 2. cl 2 fed spec single treatment response overall
Thread Series Designator: unf

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
NAS144DH26R	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-572-6650?

The FSCG of the NSN 5306-01-572-6650 is 5306

Does the NSN 5306-01-572-6650 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-572-6650 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 5306-01-572-6650 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-572-6650 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 5306-01-572-6650 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Thu, Mar 19, 2009