The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-512-4240, 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 Sea Systems Command. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-512-4240 |
| Primary Part Number | 7326515-05 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 2.750 INCHES NOMINAL IN |
| Strainer Type and Quantity | 1 SCREEN |
| End Connection Component Type and Size for Which Designed | 1.5 IN. TUBE IN |
| Design Type | STRAIGHT |
| Thread Series | UNS FIRST CONNECTION |
| End Connection Type | THREADED FEMALE FIRST CONNECTION |
| End Connection Type | ANY ACCEPTABLE SECOND CONNECTION |
| Criticality Code Justification | FEAT |
| Valve Size | 1.250 INCHES IN |
| Thread Direction | RIGHT-HAND FIRST CONNECTION |
| Thread Size Designator | 2.750-12 UN FIRST CONNECTION |
| Thread Class | 3B FIRST CONNECTION |
| Material | NICKEL ALLOY SCREENING |
| Material | NICKEL ALLOY BODY |
| Orifice Diameter | 0.188 INCHES NOMINAL IN |
| End Connection Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 5793297 FIND 156 | Naval Sea Systems Command (USA) |
| 7326515-05 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7326515 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-512-4240 is a Restrictor Unit,fluid Flow, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-512-4240 has 2 manufacturer part numbers on file: 5793297 FIND 156 (Naval Sea Systems Command), 7326515-05 (Naval Sea Systems Command).
Key specifications for 7326515-05: Width Across Flats: 2.750 INCHES NOMINAL IN; Strainer Type and Quantity: 1 SCREEN; End Connection Component Type and Size for Which Designed: 1.5 IN. TUBE IN; Design Type: STRAIGHT. 16 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.
NSN 4730-01-512-4240 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.