Restrictor Unit, Fluid Flow 4730-01-474-1976 NSN 4730-01-474-1976 · NIIN 014741976 · Part number 21821 FIND 43
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 78062
NSN 4730-01-474-1976 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-474-1976. Manufacturer of record part number: 21821 FIND 43 .
Also searched as
4730-01-474-1976 ·
4730014741976 ·
NIIN 014741976 ·
01-474-1976 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 78062 · 21821 FIND 43 · JEDA1875850D
Nearby stock numbers
← 4730-01-474-1970 Elbow, Hose
·
4730-01-474-1980 Clamp, Hose →
4730-01-474-1976 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor Unit,fluid Flow — FSC 4730 1 manufacturer part number on file Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Identification
NSN: 4730-01-474-1976
NIIN: 014741976
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 21821 FIND 43
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
General Description
The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-474-1976, 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 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Restrictor Unit,fluid Flow FSC / FSG 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) Manufacturers Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062)
Technical Specifications
Parameter Value NSN 4730-01-474-1976 Primary Part Number 21821 FIND 43 Item Name Restrictor Unit,fluid Flow FSC / FSG 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings Manufacturer Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace Status ACTIVE
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
21821 FIND 43 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Reference documents
Reference Meaning
JEDA1875850D
3/2 Design control — primary reference U.S. Government activity
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 4730-01-474-1976?
NSN 4730-01-474-1976 is a Restrictor Unit,fluid Flow, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-474-1976?
NSN 4730-01-474-1976 has 1 manufacturer part number on file: 21821 FIND 43 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
Is NSN 4730-01-474-1976 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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