The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-01-327-5118, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-327-5118 |
| Item Name | Ferrule,brazing,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Style Designator | INVERTED FLARE |
| Sleeve Outside Diameter | 0.540 INCHES MINIMUM AND 0.543 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Flange Width | 0.266 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Flange Outside Diameter | 0.672 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN |
| Hose/tube Outside Diameter for Which Designed | 0.672 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17-00-0709 | 3/2 Design control — primary reference U.S. Government activity |
| 509-4676011 ITEM F5 | 5/2 Secondary reference U.S. Government activity |
| 509-4676011 | D/9 Drawing number reference only U.S. Government activity |
| FLAGG N-4040 | D/9 Drawing number reference only Flagg Stanley G & Co Inc Dba Flagg Brass |
NSN 4730-01-327-5118 is a Ferrule,brazing,tube Fitting, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-327-5119, 4730-01-327-5226, 4730-01-327-5227. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-327-5118: Style Designator: INVERTED FLARE; Sleeve Outside Diameter: 0.540 INCHES MINIMUM AND 0.543 INCHES MAXIMUM IN; Casehardening Indicator: NOT CASEHARDENED; Flange Width: 0.266 INCHES NOMINAL IN. 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.