The Tailpiece,union, cataloged under National Stock Number 4730-01-340-0088, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-340-0088 |
| Primary Part Number | DF330709 FOMD 4 |
| Item Name | Tailpiece,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material | NICKEL ALLOY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| DF330709 FOMD 4 | Naval Sea Systems Command (USA) |
| 211038417L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6405343 FIND 4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DF330709 FOMD 4L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 211038417 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 801-6405343 FIND 4 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4730-01-340-0088 is a Tailpiece,union, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-340-0088 has 4 manufacturer part numbers on file: DF330709 FOMD 4 (Naval Sea Systems Command), 211038417L1 (Naval Inventory Control Point Mechanicsburg), 801-6405343 FIND 4L1 (Naval Inventory Control Point Mechanicsburg), DF330709 FOMD 4L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for DF330709 FOMD 4: Criticality Code Justification: ZZZY; Special Features: MATERIAL PER ASTM B446,0.50 IPS,FLGD; End Item Identification: BALL VALVE; Material: NICKEL ALLOY. 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.
NSN 4730-01-340-0088 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.