ST4M138-04-44

View detailed technical data, stock status, and sourcing information for: ST4M138-04-44
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-293-1178

Item Name Code

40280

Assigment Date

01/26/1989 (37 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.

0.250 inches nominal width across flats, hexagon cross-sectional shape, 4.390 inches minimum and 4.410 inches maximum length, left internal and right internal threads style designator, two helical coil inserts required p/n ms21209c0420 special features

Product Characteristics

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

Length: 4.390 inches minimum and 4.410 inches maximum
Cross-Sectional Shape: hexagon
Width Across Flats: 0.250 inches nominal
Special Features: two helical coil inserts required p/n ms21209c0420
Style Designator: left internal and right internal threads

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
10154139	Spacing Threaded Standoff
ST4M138-04-44	Spacing Threaded Standoff

FAQs

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

What is the FSCG of the NSN 5340-01-293-1178?

The FSCG of the NSN 5340-01-293-1178 is 5340

Does NSN 5340-01-293-1178 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 5340-01-293-1178 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-293-1178 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-293-1178 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Jan 26, 1989