74328-7-30

View detailed technical data, stock status, and sourcing information for: 74328-7-30
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-374-5391

Item Name Code

27851

Assigment Date

04/24/1993 (33 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

2.565 inches minimum and 2.595 inches maximum fastener length, right-hand thread direction, double hexagon w/hole head style, 3a thread class, 0.622 inches minimum and 0.705 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: 0.622 inches minimum and 0.705 inches maximum
Fastener Length: 2.565 inches minimum and 2.595 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.425 inches minimum and 0.445 inches maximum
Width Between Flats: 0.502 inches nominal
Extended Washer Diameter: 0.740 inches minimum and 0.750 inches maximum
Extended Washer Thickness: 0.089 inches minimum and 0.109 inches maximum
Grip Diameter: 0.4365 inches minimum and 0.4370 inches maximum
Nominal Thread Diameter: 0.437 inches
Grip Length: 1.875 inches nominal
Thread Quantity Per Inch: 20
Material: steel comp xm-13 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
74328-7-30	Close Tolerance Bolt
BM3326-7-30	Close Tolerance Bolt
MB84-7-30	Close Tolerance Bolt
S371-7-30	Close Tolerance Bolt
ST3M571-7-30	Close Tolerance Bolt
VAL23033-7-30	Close Tolerance Bolt
VS3060-7-30	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-374-5391?

The FSCG of the NSN 5306-01-374-5391 is 5306

Does the NSN 5306-01-374-5391 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-374-5391 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 5306-01-374-5391 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-374-5391 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 5306-01-374-5391 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sat, Apr 24, 1993