NSN 4730-01-520-3959 · NIIN 015203959 · Part number 803-1385789 PC.3(1-1/2 IN.)
National Brass Company · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 3B504
Government record, cited
NSN 4730-01-520-3959 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-520-3959. Manufacturer of record part number: 803-1385789 PC.3(1-1/2 IN.).
Also searched as4730-01-520-3959 ·
4730015203959 ·
NIIN 015203959 ·
01-520-3959 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 3B504 · 803-1385789 PC.3(1-1/2 IN.) · 1385789 · 1385789 PC.3(1-1/2 INCH DIA)
4730-01-520-3959 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Strainer Element,sediment — FSC 4730
Length: 4.593 INCHES NOMINAL IN
End Connection Type: PLAIN SECOND END
End Connection Type: FLANGED FIRST END
Style Designator: CYLINDRICAL
Element Outside Diameter: 1.500 INCHES NOMINAL IN
Material: COPPER ALLOY AND NICKEL ALLOY
1 manufacturer part number on file
Identification
NSN: 4730-01-520-3959
NIIN: 015203959
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 803-1385789 PC.3(1-1/2 IN.)
Manufacturer: National Brass Company
General Description
The Strainer Element,sediment, cataloged under National Stock Number 4730-01-520-3959, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is National Brass Company. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-01-520-3959 is a Strainer Element,sediment, manufactured by National Brass Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-520-3959?
NSN 4730-01-520-3959 has 1 manufacturer part number on file: 803-1385789 PC.3(1-1/2 IN.) (National Brass Company).
What NSN replaces 4730-01-520-3959?
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-520-3982, 5305-01-545-8593, 4820-01-547-2839. Verify interchangeability with system specifications before substitution.
What are the specifications of 803-1385789 PC.3(1-1/2 IN.)?
Key specifications for 803-1385789 PC.3(1-1/2 IN.): Length: 4.593 INCHES NOMINAL IN; End Connection Type: PLAIN SECOND END; End Connection Type: FLANGED FIRST END; Style Designator: CYLINDRICAL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-520-3959 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.