PartsTable TECHNICAL DATA SHEET
NSN 4730-01-503-9476Government record, cited

Reducer, Hose4730-01-503-9476

NSN 4730-01-503-9476 · NIIN 015039476 · Part number 6394734-1
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 31442
Government record, cited
NSN 4730-01-503-9476 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-503-9476. Manufacturer of record part number: 6394734-1.
Also searched as  4730-01-503-9476 · 4730015039476 · NIIN 015039476 · 01-503-9476 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 31442 · 6394734-1 · 6392757 · 6392757 FIND 43 · 6392757 FIND 43
Nearby stock numbers  ·
Features
  • Reducer,hose — FSC 4730
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Identification
  • NSN: 4730-01-503-9476
  • NIIN: 015039476
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 6394734-1
  • Manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
General Description

The Reducer,hose, cataloged under National Stock Number 4730-01-503-9476, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-503-9476
Primary Part Number6394734-1
Item NameReducer,hose
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5365-01-504-04146392757 FIND 44 POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5365-01-504-04156392757 FIND 46 POSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-01-504-5463SCCA-LBV POSSIBLE MATCH
VALVE,FLOW CONTROL
Possible match (shared part number)Sun Hydraulics Corporation
4820-01-504-5784SVIA5000350L POSSIBLE MATCH
VALVE,SHUTTLE
Possible match (shared part number)The Lee Co Dba the Lee Co
4820-01-504-5800PHFA2815300D POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
Possible match (shared part number)The Lee Co Dba the Lee Co
Cross-Reference Index
Part NumberManufacturer
6392757 FIND 43 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
6392757 FIND 43 Naval Sea Systems Command (USA)
6394734-1 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Reference documents
ReferenceMeaning
6392757 D/9 Drawing number reference only
Naval Sea Systems Command
Related Parts
5365-01-504-0414POSSIBLE MATCH
PLUG,MACHINE THREAD
6392757 FIND 44
5365-01-504-0415POSSIBLE MATCH
PLUG,MACHINE THREAD
6392757 FIND 46
4820-01-504-5463POSSIBLE MATCH
VALVE,FLOW CONTROL
SCCA-LBV
4820-01-504-5784POSSIBLE MATCH
VALVE,SHUTTLE
SVIA5000350L
4820-01-504-5800POSSIBLE MATCH
VALVE,RELIEF,PRESSURE AND TEMPER
PHFA2815300D

Frequently Asked Questions

What is NSN 4730-01-503-9476?

NSN 4730-01-503-9476 is a Reducer,hose, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-503-9476?

NSN 4730-01-503-9476 has 3 manufacturer part numbers on file: 6392757 FIND 43 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6392757 FIND 43 (Naval Sea Systems Command), 6394734-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4730-01-503-9476?

5 possible matches (shared part number, not a government interchangeability claim): 5365-01-504-0414, 5365-01-504-0415, 4820-01-504-5463. Verify interchangeability with system specifications before substitution.

What are the specifications of 6394734-1?

Key specifications for 6394734-1: Part Name Assigned by Controlling Agency: REDUCER; End Item Identification: MANIFOLD ASSEMBLY, DOOR LATCH MECHANISM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-503-9476 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.
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