The Nut,tube Coupling, cataloged under National Stock Number 4730-01-532-5838, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-532-5838 |
| Primary Part Number | 111861XXD4 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A583 TY 303 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 111861XXD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| PLC-11401 PC 21D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-PLC-11401-021D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-PLC-11401-021D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7550478-PLC-11401-021 | 5/1 Secondary reference Naval Sea Systems Command |
| PLC-11401 PC 21 | 3/1 Design control — primary reference U.S. Government activity |
| 111861XX | 5/1 Secondary reference U.S. Government activity |
| G547-0002-PLC-11401-021 | 5/1 Secondary reference U.S. Government activity |
NSN 4730-01-532-5838 is a Nut,tube Coupling, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-532-5838 has 4 manufacturer part numbers on file: 111861XXD4 (Naval Inventory Control Point Mechanicsburg), PLC-11401 PC 21D4 (Naval Inventory Control Point Mechanicsburg), G547-0002-PLC-11401-021D4 (Naval Inventory Control Point Mechanicsburg), 7550478-PLC-11401-021D4 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 111861XXD4: Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A583 TY 303 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL; Part Name Assigned by Controlling Agency: NUT (FERRULE); Material: STEEL CORROSION RESISTING OVERALL. 4 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.