74328-4-26

View detailed technical data, stock status, and sourcing information for: 74328-4-26
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-332-4479

Item Name Code

27851

Assigment Date

12/16/1973 (52 years ago)

right-hand thread direction, 3a thread class, double hexagon w/hole head style, 2.078 inches minimum and 2.108 inches maximum fastener length, 0.443 inches minimum and 0.493 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: 0.443 inches minimum and 0.493 inches maximum
Fastener Length: 2.078 inches minimum and 2.108 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.290 inches minimum and 0.310 inches maximum
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness: 0.059 inches minimum and 0.079 inches maximum
Grip Diameter: 0.2490 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.615 inches minimum and 1.635 inches maximum
Thread Quantity Per Inch: 28
Material: steel corrosion resisting overall
Surface Treatment: passivate 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:

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74328-4-26	Close Tolerance Bolt
AIC752-4-26	Close Tolerance Bolt
BM3326-4-26	Close Tolerance Bolt
MB84-4-26	Close Tolerance Bolt
S11-1059-4-26	Close Tolerance Bolt
S371-4-26	Close Tolerance Bolt
ST3M571-4-26	Close Tolerance Bolt
VAL23033-4-26	Close Tolerance Bolt
VS3060-4-26	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-332-4479?

The FSCG of the NSN 5306-00-332-4479 is 5306

Does the NSN 5306-00-332-4479 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-332-4479 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 5306-00-332-4479 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-332-4479 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 5306-00-332-4479 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Dec 16, 1973