The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-397-8598, 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 Deval Life Cycle Support Llc. Government technical data includes 17 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 | 4730-01-397-8598 |
| Primary Part Number | DV316E-0275 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Deval Life Cycle Support Llc |
| Status | ACTIVE |
| Length | 0.875 INCHES NOMINAL IN |
| Thread Provision | THREADED FIRST PROVISION |
| Thread Provision | THREADED SECOND PROVISION |
| Design Type | TUBULAR, HEX SHAPE |
| Thread Series | UNF SECOND PROVISION |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST PROVISION |
| Thread Length | 0.437 INCHES NOMINAL FIRST PROVISION IN |
| Thread Length | 0.750 INCHES NOMINAL SECOND PROVISION IN |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FIRST PROVISION |
| Thread Direction | RIGHT-HAND SECOND PROVISION |
| Thread Size Designator | 0.437-20 FIRST PROVISION |
| Thread Size Designator | 0.750-16 SECOND PROVISION |
| Thread Class | 2A SECOND PROVISION A |
| Thread Class | 3B FIRST PROVISION |
| Material | STEEL |
| Orifice Diameter | 0.047 INCHES NOMINAL IN |
| 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 |
|---|---|
| DV316E-0275 PRIMARY | Deval Life Cycle Support Llc (USA) |
NSN 4730-01-397-8598 is a Restrictor,fluid Flow, manufactured by Deval Life Cycle Support Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-397-8598 has 1 manufacturer part number on file: DV316E-0275 (Deval Life Cycle Support Llc).
Key specifications for DV316E-0275: Length: 0.875 INCHES NOMINAL IN; Thread Provision: THREADED FIRST PROVISION; Thread Provision: THREADED SECOND PROVISION; Design Type: TUBULAR, HEX SHAPE. 17 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.