NSN 4730-01-678-3270 · NIIN 016783270 · Part number 313A9420-003
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 830Q4
Government record, cited
NSN 4730-01-678-3270 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-678-3270. Manufacturer of record part number: 313A9420-003.
Also searched as4730-01-678-3270 ·
4730016783270 ·
NIIN 016783270 ·
01-678-3270 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 830Q4 · 313A9420-003
Nearby stock numbers← 4730-01-678-3200 Plug, Tube Fitting, Solder Type
·
4730-01-678-3486 Adapter, Straight, Pipe to Hose →
4730-01-678-3270 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor,fluid Flow — FSC 4730
Thread Provision: THREADED SINGLE PROVISION
Hose/tube Size for Which Designed: 0.250
Material: STEEL
Orifice Diameter: 0.09375 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
Identification
NSN: 4730-01-678-3270
NIIN: 016783270
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 313A9420-003
Manufacturer: Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
General Description
The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-678-3270, 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 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. 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. Current acquisition status: Active.
Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
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 4730-01-678-3270?
NSN 4730-01-678-3270 is a Restrictor,fluid Flow, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-678-3270?
NSN 4730-01-678-3270 has 1 manufacturer part number on file: 313A9420-003 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
What are the specifications of 313A9420-003?
Key specifications for 313A9420-003: Thread Provision: THREADED SINGLE PROVISION; Hose/tube Size for Which Designed: 0.250; Part Name Assigned by Controlling Agency: ORIFICE; Material: STEEL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-678-3270 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.