30A3-X-252

View detailed technical data, stock status, and sourcing information for: 30A3-X-252
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-01-074-7514

Item Name Code

15951

Assigment Date

04/06/1979 (47 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

2.250 inches nominal overall length, 25.0 rockwell c minimum and 34.0 rockwell c maximum hardness rating, 2a thread class, 11 thread quantity per inch, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Overall Length: 2.250 inches nominal
Thread Quantity Per Inch: 11
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum
Nominal Thread Size: 0.625 inches
Material: steel comp 4140 or steel comp 4142 or steel comp 4145
Material Document And Classification: astm a193,b7 assn std all material responses
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 4 type

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
30A3-X-252	Continuous Thread Stud
855252	Continuous Thread Stud
H-7689-6	Continuous Thread Stud

FAQs

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

What is the FSCG of the NSN 5307-01-074-7514?

The FSCG of the NSN 5307-01-074-7514 is 5307

Does the NSN 5307-01-074-7514 have a Schedule B code assigned?

Yes, the Schedule B code is 7318155000

Does NSN 5307-01-074-7514 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 5307-01-074-7514 contain precious materials?

Precious metal content is unknown

Does NSN 5307-01-074-7514 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 5307-01-074-7514 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Fri, Apr 6, 1979