SP-18-8B

View detailed technical data, stock status, and sourcing information for: SP-18-8B
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-122-3124

Item Name Code

22113

Assigment Date

11/19/1981 (44 years ago)

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes:ring, externally threaded.

4820-01-122-3124, valve seat

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
SP-18-8B	Valve Seat
SP-18-F15 PIECE SP-18-8B	Valve Seat
SPRTJ008	Valve Seat

FAQs

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

What is the FSCG of the NSN 4820-01-122-3124?

The FSCG of the NSN 4820-01-122-3124 is 4820

Does the NSN 4820-01-122-3124 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-122-3124 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 4820-01-122-3124 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-122-3124 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 4820-01-122-3124 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Nov 19, 1981