The Coupling,tube, cataloged under National Stock Number 4730-00-076-0380, 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 Mercury Tool and Mfg Corp. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-076-0380 |
| Primary Part Number | 89FM10091-3 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mercury Tool and Mfg Corp |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.250 INCHES FIRST END IN |
| Nominal Overall Length | 1.000 INCHES IN |
| Style Designator | RIGID, SHORT CENTER WRENCHING FACILITY |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Thread Class | 3A SECOND END A |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 89FM10091-3 PRIMARY | Mercury Tool and Mfg Corp (USA) |
| 89FM10091-3 | Northrop Grumman Systems Corporation (USA) |
NSN 4730-00-076-0380 is a Coupling,tube, manufactured by Mercury Tool and Mfg Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-076-0380 has 2 manufacturer part numbers on file: 89FM10091-3 (Mercury Tool and Mfg Corp), 89FM10091-3 (Northrop Grumman Systems Corporation).
Key specifications for 89FM10091-3: Connection Style: FLARED (TUBE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.250 INCHES FIRST END IN; Nominal Overall Length: 1.000 INCHES IN. 12 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.