NSN 4730-00-654-2349 · NIIN 006542349 · Part number 540905-49
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 73030
Government record, cited
NSN 4730-00-654-2349 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-654-2349. Manufacturer of record part number: 540905-49.
Also searched as4730-00-654-2349 ·
4730006542349 ·
NIIN 006542349 ·
00-654-2349 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 73030 · 540905-49
Nearby stock numbers← 4730-00-654-2347 Restrictor Unit, Fluid Flow
·
4730-00-654-2393 Restrictor Unit, Fluid Flow →
4730-00-654-2349 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor Unit,fluid Flow — FSC 4730
Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Strainer Type and Quantity: 2 SCREEN
Design Type: STRAIGHT
End Connection Type: ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED
Material Document and Classification: AMS 5639,PER UNITED AIRCRAFT SPEC NO HS 178 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Diameter: 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
Material: STEEL CORROSION RESISTING SCREENING
Identification
NSN: 4730-00-654-2349
NIIN: 006542349
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 540905-49
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description
The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-654-2349, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 10 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.
Hamilton Sundstrand Corporation Dba Collins Aerospace (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 4730-00-654-2349?
NSN 4730-00-654-2349 is a Restrictor Unit,fluid Flow, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-654-2349?
NSN 4730-00-654-2349 has 1 manufacturer part number on file: 540905-49 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
What are the specifications of 540905-49?
Key specifications for 540905-49: Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) MINIMUM AND 350.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Strainer Type and Quantity: 2 SCREEN; Design Type: STRAIGHT; End Connection Type: ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED. 10 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-654-2349 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.