The Coupling Assembly,tube, cataloged under National Stock Number 4730-01-436-8455, 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 Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. Government technical data includes 8 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 | 4730-01-436-8455 |
| Primary Part Number | 9B003-01-C-11 |
| Item Name | Coupling Assembly,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Tubing Wall Nominal Thickness for Which Designed | 0.065 INCHES FIRST END IN |
| Nominal Overall Length | 12.500 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | ASTM B75-12200,TYPE K ASSN STD SINGLE MATERIAL RESPONSE TUBE |
| Nominal Outside Diameter Tube Accommodated | 1.125 INCHES FIRST END IN |
| Material | COPPER ALLOY TUBE |
| Material | STEEL COMP 304 UNION |
| 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 |
|---|---|
| 9B003-01-C-11 PRIMARY | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| PL9B003-01-CR1 FIND NO. 13 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
NSN 4730-01-436-8455 is a Coupling Assembly,tube, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-436-8455 has 2 manufacturer part numbers on file: 9B003-01-C-11 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), PL9B003-01-CR1 FIND NO. 13 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 9B003-01-C-11: Connection Style: PLAIN (TUBE) FIRST END; Tubing Wall Nominal Thickness for Which Designed: 0.065 INCHES FIRST END IN; Nominal Overall Length: 12.500 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE FIRST END. 8 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.