4730-01-444-9685 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor Unit,fluid Flow — FSC 4730
Design Type: STRAIGHT
Material: ALUMINUM ALLOY BODY
Identification
NSN: 4730-01-444-9685
NIIN: 014449685
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
General Description
The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-444-9685, 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 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-449-1363204-66034-115POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-449-1367204-66034-114POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-605-3763204-66034-152POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-605-3769204-66034-134POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
204-66034
D/9Drawing number reference only
U.S. Government activity
204-66034-107
3/2Design control — primary reference
U.S. Government activity
Related Parts
4730-01-449-1363POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
204-66034-115
4730-01-449-1367POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-114
4730-01-605-3763POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-152
4730-01-605-3769POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-134
Frequently Asked Questions
What is NSN 4730-01-444-9685?
NSN 4730-01-444-9685 is a Restrictor Unit,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-444-9685?
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-449-1363, 4730-01-449-1367, 4730-01-605-3763. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-444-9685?
Key specifications for 4730-01-444-9685: Design Type: STRAIGHT; Part Name Assigned by Controlling Agency: IDENTIFIER,ORFICE (DECAL); End Item Identification: ACFT,AWACS E-3A A; Material: ALUMINUM ALLOY BODY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-444-9685 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.