NSN 4730-01-503-4993 · NIIN 015034993 · Part number 4D98805H01
Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 04808
Government record, cited
NSN 4730-01-503-4993 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-503-4993. Manufacturer of record part number: 4D98805H01.
Also searched as4730-01-503-4993 ·
4730015034993 ·
NIIN 015034993 ·
01-503-4993 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 04808 · 4D98805H01
4730-01-503-4993 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Pneumatic Muffler,exhaust-Intake — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
Identification
NSN: 4730-01-503-4993
NIIN: 015034993
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 4D98805H01
Manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
General Description
The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4730-01-503-4993, 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 Div Curtiss-Wright Emd. 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 Div Curtiss-Wright Emd (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 4730-01-503-4993?
NSN 4730-01-503-4993 is a Pneumatic Muffler,exhaust-Intake, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-503-4993?
NSN 4730-01-503-4993 has 1 manufacturer part number on file: 4D98805H01 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
What are the specifications of 4D98805H01?
Key specifications for 4D98805H01: Part Name Assigned by Controlling Agency: AIR MAKE-UP SILENCER; End Item Identification: USED ON 4D98757 UPPER HOUSING ASSEMBLY. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-503-4993 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.