The Coupling,clamp,pipe, cataloged under National Stock Number 4730-01-500-8897, 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 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-500-8897 |
| Primary Part Number | 531-7016000-55 |
| Item Name | Coupling,clamp,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Segment Quantity | 16 |
| Material | NICKEL ALLOY HOUSING |
| 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 |
|---|---|
| 531-7016000-55 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H6551511-55 | 3/2 Design control — primary reference U.S. Government activity |
| 531-7016000-05 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 7016000 REV B | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-500-8897 is a Coupling,clamp,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-500-8897 has 1 manufacturer part number on file: 531-7016000-55 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-501-0821, 4730-01-501-1014. Verify interchangeability with system specifications before substitution.
Key specifications for 531-7016000-55: Special Features: QUANTITY OF 3 REQUIRED; Segment Quantity: 16; Part Name Assigned by Controlling Agency: SEGMENTED PLATE; End Item Identification: REVERSE OSMOSIS PRESSURE VESSEL ASSY 4 IN OR 6 IN STBD OR PORT, LOS ANGELES CLASS SSN IN. 2 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.