NSN 4730-01-733-4252 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-733-4252. Manufacturer of record part number: H-146-SS.
Also searched as4730-01-733-4252 ·
4730017334252 ·
NIIN 017334252 ·
01-733-4252 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 59023 · H-146-SS · 803-7526094ITEM201
4730-01-733-4252 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor,fluid Flow — FSC 4730
Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED
Thread Series: NPT OVERALL
Material: STEEL COMP 303
Orifice Diameter: 0.146 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: O'keefe Controls Co.
Identification
NSN: 4730-01-733-4252
NIIN: 017334252
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: H-146-SS
Manufacturer: O'keefe Controls Co.
General Description
The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-733-4252, 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 O'keefe Controls Co.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
C/1Advisory reference — outside the item-of-supply concept
Naval Sea Systems Command
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE
Frequently Asked Questions
What is NSN 4730-01-733-4252?
NSN 4730-01-733-4252 is a Restrictor,fluid Flow, manufactured by O'keefe Controls Co., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-733-4252?
NSN 4730-01-733-4252 has 1 manufacturer part number on file: H-146-SS (O'keefe Controls Co.).
What are the specifications of H-146-SS?
Key specifications for H-146-SS: Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Thread Series: NPT OVERALL; Part Name Assigned by Controlling Agency: 1/2 INCH MALE X FEMALE ORIFICE, ADAPTER IN; Material: STEEL COMP 303. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-733-4252 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.