The Flange,pipe, cataloged under National Stock Number 4730-01-587-9748, 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 Alfa Laval Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-587-9748 |
| Primary Part Number | 32325-2117-5 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Alfa Laval Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 331-8417740 ITEM 18 | Naval Sea Systems Command (USA) |
| 32325-2117-5 PRIMARY | Alfa Laval Inc (USA) |
| Reference | Meaning |
|---|---|
| 8417740 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-587-9748 is a Flange,pipe, manufactured by Alfa Laval Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-587-9748 has 2 manufacturer part numbers on file: 331-8417740 ITEM 18 (Naval Sea Systems Command), 32325-2117-5 (Alfa Laval Inc).
3 possible matches (shared part number, not a government interchangeability claim): 4420-01-587-9751, 5330-01-587-9757, 5330-01-587-9759. Verify interchangeability with system specifications before substitution.
Key specifications for 32325-2117-5: Part Name Assigned by Controlling Agency: LOOSE FLANGE 4 INCH IN; End Item Identification: 4420-01-587-9278 LSD-41 CLASS SSDG LUBE OIL COOLER. 0 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.