The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-01-218-7746, 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 Senior Operations Llc Dba Metal Bellows Div Metal Bellows. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-218-7746 |
| Primary Part Number | 83727 |
| Item Name | Ferrule,brazing,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Senior Operations Llc Dba Metal Bellows Div Metal Bellows |
| Status | ACTIVE |
| Style Designator | GASKET SEAL |
| Sleeve Outside Diameter | 2.460 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Flange Width | 0.032 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Flange Outside Diameter | 2.900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 83727 PRIMARY | Senior Operations Llc Dba Metal Bellows Div Metal Bellows (USA) |
| 35060A001 | Technetics Group Daytona, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 16VP128 | 5/9 Secondary reference U.S. Government activity |
| 83727 | 3/9 Design control — primary reference Senior Flexonics Inc |
| 16VP128-2 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-218-7746 is a Ferrule,brazing,tube Fitting, manufactured by Senior Operations Llc Dba Metal Bellows Div Metal Bellows, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-218-7746 has 2 manufacturer part numbers on file: 83727 (Senior Operations Llc Dba Metal Bellows Div Metal Bellows), 35060A001 (Technetics Group Daytona, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-219-8323, 4730-01-219-8324, 4730-01-220-3668. Verify interchangeability with system specifications before substitution.
Key specifications for 83727: Style Designator: GASKET SEAL; Overall Length: 5.400 INCHES MINIMUM AND 5.520 INCHES MAXIMUM IN; Sleeve Outside Diameter: 2.460 INCHES NOMINAL IN; Special Features: F-16 ACFT. 6 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.
NSN 4730-01-218-7746 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.