5340-01-347-4681

Find complete technical information, availability, and procurement data for: 5340-01-347-4681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-347-4681

Item Name Code

40223

Assigment Date

10/22/1991 (34 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.

2 mounting hole quantity, 0.187 inches nominal all holes mounting hole diameter, 1.760 inches nominal length, 0.525 inches nominal width, 0.090 inches nominal thickness

Product Characteristics

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

Width: 0.525 inches nominal
Thickness: 0.090 inches nominal
Length: 1.760 inches nominal
Mounting Hole Diameter: 0.187 inches nominal all holes
Mounting Hole Quantity: 2
Mounting Hole Type: unthreaded
Corner Radius: 0.250 inches nominal
End Item Identification: mk21mod1 diving helmet-superlite-air/mixed
Criticality Code Justification: feat
Special Features: underwater life support iaw navsea instruction 10560.2b; mounting configuration: on radius c/l 1.250 inch apart
Material: steel corrosion resisting
Shape: special

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
592-6318289	Mounting Plate
BK700338110	Mounting Plate

FAQs

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

What is the FSCG of the NSN 5340-01-347-4681?

The FSCG of the NSN 5340-01-347-4681 is 5340

Does the NSN 5340-01-347-4681 have a Schedule B code assigned?

Yes, the Schedule B code is 7326901000

Does NSN 5340-01-347-4681 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 5340-01-347-4681 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-347-4681 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 5340-01-347-4681 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Tue, Oct 22, 1991