The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-00-452-7929, 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 Bae Systems (operations) Limited. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4730-00-452-7929 |
| Primary Part Number | F273639 |
| Item Name | Ferrule,brazing,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bae Systems (operations) Limited |
| Status | ACTIVE |
| Style Designator | GASKET SEAL |
| Sleeve Outside Diameter | 0.344 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Flange Width | 0.055 INCHES NOMINAL IN |
| Material | STEEL |
| Flange Outside Diameter | 0.444 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 0.250 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 |
|---|---|
| F273639 | Bae Systems (operations) Limited (GBR) |
| Reference | Meaning |
|---|---|
| F273639 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
NSN 4730-00-452-7929 is a Ferrule,brazing,tube Fitting, manufactured by Bae Systems (operations) Limited, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-452-7929 has 1 manufacturer part number on file: F273639 (Bae Systems (operations) Limited).
Key specifications for F273639: Style Designator: GASKET SEAL; Overall Length: 0.141 INCHES NOMINAL IN; Sleeve Outside Diameter: 0.344 INCHES NOMINAL IN; Casehardening Indicator: NOT CASEHARDENED. 7 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.