N-731 PC 7

View detailed technical data, stock status, and sourcing information for: N-731 PC 7
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-268-8655

Item Name Code

60396

Assigment Date

12/08/1987 (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.

5.500 inches nominal outside diameter, 0.125 inches nominal material thickness, 4.875 inches nominal bolt circle diameter, 0.625 inches nominal center hole diameter, 0.344 inches nominal hole diameter

Product Characteristics

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

Hole Diameter: 0.344 inches nominal
Outside Diameter: 5.500 inches nominal
Bolt Circle Diameter: 4.875 inches nominal
Material Thickness: 0.125 inches nominal
Center Hole Diameter: 0.625 inches nominal
Bolt Hole Quantity: 2
Material: rubber
Style Designator: flat

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
329-662-79	Flat Valve Diaphragm
N-731	Flat Valve Diaphragm
N-731 PC 7	Flat Valve Diaphragm
NB32966279	Flat Valve Diaphragm

FAQs

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

What is the FSCG of the NSN 4820-01-268-8655?

The FSCG of the NSN 4820-01-268-8655 is 4820

Does the NSN 4820-01-268-8655 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-268-8655 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 4820-01-268-8655 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-268-8655 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 4820-01-268-8655 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Dec 8, 1987