The Reducer,tube, cataloged under National Stock Number 4730-01-497-3490, 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 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-497-3490 |
| Primary Part Number | 7326566-02 FIND 26 |
| Item Name | Reducer,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Nominal Overall Length | 0.8125 INCHES IN |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Reducer Type | CONCENTRIC |
| 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 |
|---|---|
| 7326566-02 FIND 26 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H876-8-6-SS | 5/9 Secondary reference U.S. Government activity |
| H867-8-6-SS | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| H867-08-06-SS 316L | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-497-3490 is a Reducer,tube, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-497-3490 has 1 manufacturer part number on file: 7326566-02 FIND 26 (Naval Sea Systems Command).
Key specifications for 7326566-02 FIND 26: Nominal Overall Length: 0.8125 INCHES IN; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Special Features: MATERIAL 316L STAINLESS STEEL; Part Name Assigned by Controlling Agency: REDUCING INSERT. 3 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.