The Ring,lantern, cataloged under National Stock Number 4320-01-138-1919, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-138-1919 |
| Primary Part Number | CS-4320-SV-0780 |
| Item Name | Ring,lantern |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Outside Diameter | 2.365 INCHES NOMINAL IN |
| Inside Diameter | 1.656 INCHES NOMINAL IN |
| Height | 0.375 INCHES NOMINAL IN |
| Material | COPPER ALLOY 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 |
|---|---|
| CS-4320-SV-0780 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 695-7785 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 66-8052 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4320-01-138-1919 is a Ring,lantern, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-138-1919 has 1 manufacturer part number on file: CS-4320-SV-0780 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-217-9981. Verify interchangeability with system specifications before substitution.
Key specifications for CS-4320-SV-0780: Outside Diameter: 2.365 INCHES NOMINAL IN; Inside Diameter: 1.656 INCHES NOMINAL IN; Height: 0.375 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL. 4 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.