The Sleeve,compression,tube-Hose Fit, cataloged under National Stock Number 4730-00-640-0513, 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 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-640-0513 |
| Primary Part Number | 4178-8 |
| Item Name | Sleeve,compression,tube-Hose Fit |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 |
| Style Designator | DOUBLE BEVEL FLARELESS |
| Sleeve Outside Diameter | 0.684 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | ALUMINUM ALLOY 2024 |
| Hose/tube Outside Diameter for Which Designed | 0.500 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 |
|---|---|
| 4178-8 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 4178-8 | 3/9 Design control — primary reference Rubbercraft Corporation of California, Ltd Dba Rubber Teck Division Use CAGE Code 77969 for Cataloging |
NSN 4730-00-640-0513 is a Sleeve,compression,tube-Hose Fit, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-640-0513 has 1 manufacturer part number on file: 4178-8 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-388-1243, 5307-01-500-8089. Verify interchangeability with system specifications before substitution.
Key specifications for 4178-8: Seat Angle in Deg: 37.0; Style Designator: DOUBLE BEVEL FLARELESS; Overall Length: 0.400 INCHES NOMINAL IN; Sleeve Outside Diameter: 0.684 INCHES NOMINAL IN. 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.
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.