PartsTable TECHNICAL DATA SHEET
NSN 4730-01-321-1807Government record, cited

Restrictor, Fluid Flow4730-01-321-1807

NSN 4730-01-321-1807 · NIIN 013211807 · Part number 2676784-145
Honeywell International Inc Div Aerospace-South Bend (bendix Dr) · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 06848
Government record, cited
NSN 4730-01-321-1807 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-321-1807. Manufacturer of record part number: 2676784-145.
Also searched as  4730-01-321-1807 · 4730013211807 · NIIN 013211807 · 01-321-1807 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 06848 · 2676784-145 · 2676784
Nearby stock numbers  ·
Features
  • Restrictor,fluid Flow — FSC 4730
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Identification
  • NSN: 4730-01-321-1807
  • NIIN: 013211807
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 2676784-145
  • Manufacturer: Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-321-1807, 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 Honeywell International Inc Div Aerospace-South Bend (bendix Dr). The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameRestrictor,fluid Flow
FSC / FSG4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
ManufacturersHoneywell International Inc Div Aerospace-South Bend (bendix Dr) (CAGE 06848); Aero International, Llc Dba Ams Engineered Solutions (CAGE 0SML3)
Technical Specifications
ParameterValue
NSN4730-01-321-1807
Primary Part Number2676784-145
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerHoneywell International Inc Div Aerospace-South Bend (bendix Dr)
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeF
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-321-18082676784-146 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-321-18092676784-147 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-321-23002676784-144 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-321-63282676784-148 POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-436-01202676784-138 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-441-63942676784-140 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-441-63982676784-141 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
4730-01-441-64002676784-142 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Cross-Reference Index
Part NumberManufacturer
2676784-145 PRIMARY Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
2676784-145 Aero International, Llc Dba Ams Engineered Solutions (USA)
Reference documents
ReferenceMeaning
2676784 D/9 Drawing number reference only
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
Related Parts
4730-01-321-1808POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-146
4730-01-321-1809POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-147
4730-01-321-2300POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-144
4730-01-321-6328POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
2676784-148
4730-01-436-0120POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-138
4730-01-441-6394POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-140
4730-01-441-6398POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-141
4730-01-441-6400POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2676784-142

Frequently Asked Questions

What is NSN 4730-01-321-1807?

NSN 4730-01-321-1807 is a Restrictor,fluid Flow, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-321-1807?

NSN 4730-01-321-1807 has 2 manufacturer part numbers on file: 2676784-145 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), 2676784-145 (Aero International, Llc Dba Ams Engineered Solutions).

What NSN replaces 4730-01-321-1807?

8 possible matches (shared part number, not a government interchangeability claim): 4730-01-321-1808, 4730-01-321-1809, 4730-01-321-2300. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-321-1807 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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