NSN 4730-01-424-0870 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-424-0870. Manufacturer of record part number: EY-3069U.
4730-01-424-0870 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Trap,moisture — FSC 4730
Outlet Connection Type and Quantity: 1 THREADED INTERNAL PIPE
Inlet Connection Nominal Pipe Size: 0.250 INCHES IN
Outlet Connection Nominal Pipe Size: 0.750 INCHES IN
Material: STEEL CORROSION RESISTING FLOAT ARM
Material: COPPER BODY
Material: STEEL CORROSION RESISTING VALVE
Material: STEEL CORROSION RESISTING FLOAT
Identification
NSN: 4730-01-424-0870
NIIN: 014240870
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: EY-3069U
Manufacturer: Nihon Seiki Co. Ltd
General Description
The Trap,moisture, cataloged under National Stock Number 4730-01-424-0870, 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 Nihon Seiki Co. Ltd. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
C/1Advisory reference — outside the item-of-supply concept
Fuji Trading (america) Inc.
NH-501
5/9Secondary reference
Nihon Seiki Co. Ltd
NI-505
3/9Design control — primary reference
Fuji Trading America Inc
Related Parts
4820-01-424-2601POSSIBLE MATCH
PISTON,VALVE
EY-3069U PC-10
3040-01-424-2603POSSIBLE MATCH
CYLINDER,ACTUATING,LINEAR
EY-3069U PC-13
3040-01-424-2604POSSIBLE MATCH
CONNECTING LINK,RIGID
4730-01-424-3135POSSIBLE MATCH
CASE,SHELL TOP
3040-01-424-4684POSSIBLE MATCH
PIVOT SHAFT ASSEMBLY
4730-01-424-5410POSSIBLE MATCH
NUT,TUBE COUPLING
4820-01-424-5411POSSIBLE MATCH
VALVE-HAND,BYPASS
4820-01-425-1918POSSIBLE MATCH
RETAINER,SEAT,VALVE
4820-01-436-2118POSSIBLE MATCH
FLOAT,VALVE
EY-3069U PC-1
Frequently Asked Questions
What is NSN 4730-01-424-0870?
NSN 4730-01-424-0870 is a Trap,moisture, manufactured by Nihon Seiki Co. Ltd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-424-0870?
NSN 4730-01-424-0870 has 2 manufacturer part numbers on file: EY-3069U (Nihon Seiki Co. Ltd), NH-501 (Nihon Seiki Co. Ltd).
What NSN replaces 4730-01-424-0870?
9 possible matches (shared part number, not a government interchangeability claim): 4820-01-424-2601, 3040-01-424-2603, 3040-01-424-2604. Verify interchangeability with system specifications before substitution.
What are the specifications of EY-3069U?
Key specifications for EY-3069U: Outlet Connection Type and Quantity: 1 THREADED INTERNAL PIPE; Overall Height: 215.0 MILLIMETERS NOMINAL MM; Inlet Connection Nominal Pipe Size: 0.250 INCHES IN; Outlet Connection Nominal Pipe Size: 0.750 INCHES IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-424-0870 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.