4730-01-406-4720 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor,fluid Flow — FSC 4730
Length: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED
Design Type: TUBULAR
Thread Length: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Orifice Diameter: 0.090 INCHES NOMINAL IN
Identification
NSN: 4730-01-406-4720
NIIN: 014064720
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-406-4720, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Thread Direction
RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Orifice Diameter
0.090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
738171
D/9Drawing number reference only
U.S. Government activity
738171-2
3/2Design control — primary reference
U.S. Government activity
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 4730-01-406-4720?
NSN 4730-01-406-4720 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What are the specifications of 4730-01-406-4720?
Key specifications for 4730-01-406-4720: Length: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Thread Length: 0.188 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-406-4720 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.