The Ring,lantern, cataloged under National Stock Number 4320-01-159-7598, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-159-7598 |
| Primary Part Number | 6501-13,PC.21 |
| Item Name | Ring,lantern |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Outside Diameter | 17.490 INCHES MINIMUM AND 17.495 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-C-390,TYPE I,D-5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 16.521 INCHES MINIMUM AND 16.541 INCHES MAXIMUM IN |
| Height | 1.938 INCHES NOMINAL IN |
| Material | COPPER ALLOY 903 OVERALL |
| 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 |
|---|---|
| 6501-13,PC.21 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 6501-13PC21 | Classic Mfg (USA) |
| Reference | Meaning |
|---|---|
| 4457337,PC.21 | D/9 Drawing number reference only U.S. Government activity |
| 6501-13 PIECE 2 | C/1 Advisory reference — outside the item-of-supply concept Huntington Ingalls Inc Div Newport News Shipbuilding |
| 501-4457337 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 501-4457337 PART 21 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4320-01-159-7598 is a Ring,lantern, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-159-7598 has 2 manufacturer part numbers on file: 6501-13,PC.21 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6501-13PC21 (Classic Mfg).
Key specifications for 6501-13,PC.21: Outside Diameter: 17.490 INCHES MINIMUM AND 17.495 INCHES MAXIMUM IN; Material Document and Classification: QQ-C-390,TYPE I,D-5 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Inside Diameter: 16.521 INCHES MINIMUM AND 16.541 INCHES MAXIMUM IN; Height: 1.938 INCHES NOMINAL IN. 5 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.