MR1

View detailed technical data, stock status, and sourcing information for: MR1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-281-1146

Item Name Code

26525

Assigment Date

06/17/1988 (38 years ago)

A straight nonfluid fitting with wrenching facilities on one end and external threads, other than pipe or hose series, on the other end. It has an unthreaded through hole in its axis which may be countersunk and/or counterbored on one or both ends. It is designed to accommodate a shaft, or the like, or used to reinforce a hole in a bulkhead, or the like. For similar items specifically designed for use in a stuffing box, see packing nut. For nonfluid items with an internal thread, see insert, screw thread; or adapter bushing. Excludes:reducer, boss; and items designed to accommodate a tube or tube fitting.

3.660 inches nominal overall length, 0.500 inches nominal engaging surface width, 1.870 inches nominal overall width, steel overall material, claw engaging design type

Product Characteristics

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

Overall Width: 1.870 inches nominal
Overall Length: 3.660 inches nominal
Design Type: claw engaging
Engaging Surface Width: 0.500 inches nominal
Material: steel overall
Style Designator: level

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5342-00-444-6468	No Name Available	03/01/2000

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
6289752	Clamping Catch
HR1	Clamping Catch
MR1	Clamping Catch

FAQs

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

What is the FSCG of the NSN 5340-01-281-1146?

The FSCG of the NSN 5340-01-281-1146 is 5340

Does NSN 5340-01-281-1146 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 5340-01-281-1146 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-281-1146 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 5340-01-281-1146 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Jun 17, 1988