The Union,tube, cataloged under National Stock Number 4730-01-541-5430, 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 Sae International Dba Sae International. Government technical data includes 5 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-541-5430 |
| Primary Part Number | MS21902V20P |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Nominal Overall Length | 1.750 INCHES IN |
| Criticality Code Justification | MATT |
| Style Designator | FLARELESS W/ CENTER WRENCHING FACILITY |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 70001-266 | Defence Liaison Services Pty Ltd (AUS) |
| MS21902V20P PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 4730PL0796625 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| AS21902 | 5/9 Secondary reference U.S. Government activity |
| AS18280 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS21902 | 5/9 Secondary reference Sae International Dba Sae International |
| MS21902V20P | 5/9 Secondary reference U.S. Government activity |
| AS18280 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-541-5430 is a Union,tube, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-541-5430 has 2 manufacturer part numbers on file: 70001-266 (Defence Liaison Services Pty Ltd), MS21902V20P (Sae International Dba Sae International).
Key specifications for MS21902V20P: Nominal Overall Length: 1.750 INCHES IN; Criticality Code Justification: MATT; Style Designator: FLARELESS W/ CENTER WRENCHING FACILITY; Special Features: TUBING, CORROSION RESISTANT STAINLESS STEEL (15-5PH), CADMIUM PLATED; NOMINAL TUBE SIE 1.250; 1.6250-12 UNJ-3A A. 5 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.