4174-40D

View detailed technical data, stock status, and sourcing information for: 4174-40D
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Federal Supply Group

Plumbing, Heating, and Waste Disposal Equipment

Federal Supply Classification

4530 Fuel Burning Equipment Units

National Stock Number

4530-00-372-0912

Item Name Code

21826

Assigment Date

01/01/1963 (63 years ago)

An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes:items such as valve (1), (as modified); and others with an adjustable orifice. Excludes:pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see restrictor unit, fluid flow.

0.997 inches nominal overall diameter, return flow atomizer type, steel comp 440c material, 40d size designator, 0.233 inches nominal overall height

Product Characteristics

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

Overall Height: 0.233 inches nominal
Overall Diameter: 0.997 inches nominal
Size Designator: 40d
Atomizer Type: return flow
Material: steel comp 440c
Material Document And Classification: qq-s-763, class 440c fed spec single material response

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
4174-40D	Oil Burner Atomize Sprayer Plate

FAQs

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

What is the FSCG of the NSN 4530-00-372-0912?

The FSCG of the NSN 4530-00-372-0912 is 4530

Does the NSN 4530-00-372-0912 have a Schedule B code assigned?

Yes, the Schedule B code is 8416900000

Does NSN 4530-00-372-0912 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 4530-00-372-0912 contain precious materials?

Precious metal content is unknown

Does NSN 4530-00-372-0912 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 4530-00-372-0912 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963