The Coupling,tube, cataloged under National Stock Number 4730-01-411-7535, 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 Mazzer Industries Inc.. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-411-7535 |
| Primary Part Number | 120-4 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mazzer Industries Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 120-4 PRIMARY | Mazzer Industries Inc. (USA) |
| RCSK16889-1 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| RCSK16889-1 PRIMARY | Am General Llc (USA) |
| 12448735-1 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| RCSK 16889 | 7/1 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-411-7535 is a Coupling,tube, manufactured by Mazzer Industries Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-411-7535 has 4 manufacturer part numbers on file: 120-4 (Mazzer Industries Inc.), RCSK16889-1 (U S Army Tank Automotive Command Amsta-Im-Mm), RCSK16889-1 (Am General Llc), 12448735-1 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 120-4: Special Features: ALL O-RING SEALS SHALL BE MADE OF NITRILE MATERIAL COMPOUND FOR LOW TEMPERATURE OPERATION IAW MIL-P-83461 OR MIL-P-25732; End Item Identification: 2320-01-383-3850. 0 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.