The Union,tube, cataloged under National Stock Number 4730-01-512-9056, 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 Johnson Controls Navy Systems, Llc. Government technical data includes 16 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 | 4730-01-512-9056 |
| Primary Part Number | 377-05581-000 ITEM 162 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) SECOND END |
| Connection Style | SOCKET (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.035 INCHES ALL ENDS IN |
| Nominal Overall Length | 1.688 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL TUBE SECOND END |
| Style Designator | SCREWED |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Type | RECESSED |
| Specification/standard Data | 66935-R807 MANUFACTURERS STANDARD |
| Maximum Operating Temp | 225.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY TAILPIECE |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING THREAD PIECE |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 023-19341 | Johnson Controls Navy Systems, Llc (USA) |
| 377-05581-000 ITEM 162 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
NSN 4730-01-512-9056 is a Union,tube, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-512-9056 has 2 manufacturer part numbers on file: 023-19341 (Johnson Controls Navy Systems, Llc), 377-05581-000 ITEM 162 (Johnson Controls Navy Systems, Llc).
Key specifications for 377-05581-000 ITEM 162: Connection Style: PLAIN (TUBE) SECOND END; Connection Style: SOCKET (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.035 INCHES ALL ENDS IN; Nominal Overall Length: 1.688 INCHES IN. 16 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.