FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings

FSC 4730 is the U.S. Federal Supply Class for Hose, Pipe, Tube, Lubrication, and Railing Fittings, in Federal Supply Group 47 (Pipe, Tubing, Hose, and Fittings). Aviation Parts Executive lists 612 parts whose part numbers carry a National Stock Number (NSN) in this class. Search any NSN or NIIN on our site to open the part.

Includes adapters; bends; caps; clamps; connectors; couplings; crosses; elbows; expansion joints; ferrules; flanges; laterals; lubrication fittings; manifolds; nipples; nozzles; outlets; plugs; reducers; swing and swivel joints; tees; traps; unions; wyes.

Excludes air conditioning-heating fittings (FSC 4520); bituminized fiber and concrete fittings (FSC 5630); conduit boxes and fittings (FSC 5975); downspout fittings (FSC 5670); medical and surgical fittings (FSC 6515); laboratory fittings (FSC 6640); post caps and rail ends (FSC 5660); machine thread bushings and plugs (FSC 5365).

Our Parts In FSC 4730 (612)

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Buying For A Government Agency Or Military Unit? See Government Sales for how we quote and ship to government buyers, or send a quote request below.

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NSNs, item names and Federal Supply Class descriptions come from the Defense Logistics Agency's public Federal Logistics Information System data (PUB LOG, October 27, 2026 release). We show an NSN only when the government record lists our part number under the same manufacturer (CAGE code). Confirm the NSN and part number on your solicitation before you order.