The Ferrule,swage,tube Coupling, cataloged under National Stock Number 4730-01-176-9635, 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 The Boeing Company Div Legacy Am&m. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-176-9635 |
| Primary Part Number | LE277-0009-0172 |
| Item Name | Ferrule,swage,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Slot Quantity | 6 |
| Style Designator | SINGLE FLANGE |
| Flange Inside Diameter | 4.480 INCHES NOMINAL IN |
| Sleeve Outside Diameter | 4.655 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Flange Width | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| Flange Outside Diameter | 4.835 INCHES NOMINAL IN |
| Slot Width | 0.062 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 4.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LE277-0009-0172 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| S3052-72DE | Transdigm Inc Div Adelwiggins Group (USA) |
| VC020-72AE PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| S3052-(SIZE)DE | D/9 Drawing number reference only Transdigm Inc Div Adelwiggins Group |
| LE277-0009 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
NSN 4730-01-176-9635 is a Ferrule,swage,tube Coupling, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-176-9635 has 3 manufacturer part numbers on file: LE277-0009-0172 (The Boeing Company Div Legacy Am&m), S3052-72DE (Transdigm Inc Div Adelwiggins Group), VC020-72AE (Hydraflow).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-285-6130, 4730-01-341-2507, 4730-01-343-8718. Verify interchangeability with system specifications before substitution.
Key specifications for LE277-0009-0172: Slot Quantity: 6; Style Designator: SINGLE FLANGE; Flange Inside Diameter: 4.480 INCHES NOMINAL IN; Overall Length: 0.780 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.