The Ring,lantern, cataloged under National Stock Number 4320-01-212-4683, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Huntington Ingalls Incorporated Div Ingalls Shipbuilding. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-212-4683 |
| Primary Part Number | 1087-204-62 PIECE 7 |
| Item Name | Ring,lantern |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Huntington Ingalls Incorporated Div Ingalls Shipbuilding |
| Status | ACTIVE |
| Outside Diameter | 10.624 INCHES MINIMUM AND 10.626 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-B-16261,GRADE 2,COND 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Inside Diameter | 10.253 INCHES MINIMUM AND 10.255 INCHES MAXIMUM IN |
| Height | 7.312 INCHES NOMINAL IN |
| Material | COPPER ALLOY 934 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 |
|---|---|
| 1087-204-62 PIECE 7 | Huntington Ingalls Incorporated Div Ingalls Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| SSN606-204-1701883 PIECE 7 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4320-01-212-4683 is a Ring,lantern, manufactured by Huntington Ingalls Incorporated Div Ingalls Shipbuilding, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-212-4683 has 1 manufacturer part number on file: 1087-204-62 PIECE 7 (Huntington Ingalls Incorporated Div Ingalls Shipbuilding).
Key specifications for 1087-204-62 PIECE 7: Outside Diameter: 10.624 INCHES MINIMUM AND 10.626 INCHES MAXIMUM IN; Material Document and Classification: MIL-B-16261,GRADE 2,COND 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Inside Diameter: 10.253 INCHES MINIMUM AND 10.255 INCHES MAXIMUM IN; Height: 7.312 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.