5306-01-478-2443

Find complete technical information, availability, and procurement data for: 5306-01-478-2443
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-478-2443

Item Name Code

06666

Assigment Date

09/01/2000 (25 years ago)

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

3a thread class, 0.403 inches nominal thread length, right-hand thread direction, flat countersunk head style, 1.3230 inches minimum and 1.3430 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: 0.403 inches nominal
Fastener Length: 1.3230 inches minimum and 1.3430 inches maximum
Head Style: flat countersunk
Head Diameter: 0.485 inches minimum and 0.495 inches maximum
Spline Major Diameter: 0.173 inches minimum and 0.183 inches maximum
Internal Drive Style: torx
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 3490 pounds per square inch
Countersink Angle: 129.0 degrees minimum and 131.0 degrees maximum
Special Features: grip length min .9275 max .9475 grip diameter min .2490 max .2495
Material: steel corrosion resisting overall
Material Document And Classification: ams5844 assn std single material 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
03A512-4-15C	Internal Wrenching Bolt
CB9295-4-15C	Internal Wrenching Bolt
PBF1682-4-15C	Internal Wrenching Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-478-2443?

The FSCG of the NSN 5306-01-478-2443 is 5306

Does the NSN 5306-01-478-2443 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-478-2443 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 5306-01-478-2443 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-478-2443 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 5306-01-478-2443 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Fri, Sep 1, 2000