The Nut,tube Coupling, cataloged under National Stock Number 4730-01-302-4853, 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 Pdi Ground Support Systems, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-302-4853 |
| Primary Part Number | 8508-1 |
| Item Name | Nut,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Thread Series | UN |
| Nominal Thread Size | 0.438 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| 8508-1 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
NSN 4730-01-302-4853 is a Nut,tube Coupling, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-302-4853 has 1 manufacturer part number on file: 8508-1 (Pdi Ground Support Systems, Inc.).
Key specifications for 8508-1: Thread Series: UN; Nominal Thread Size: 0.438 INCHES IN; Thread Class: 2B; Thread Quantity Per Inch: 24. 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.