The Ring,wearing, cataloged under National Stock Number 4320-01-076-4626, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-076-4626 |
| Primary Part Number | 066-07958-000 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-258 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 695-7739IT7 | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| 066-07958-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 66-7958 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 066-07958-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 695-7739IT7 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 066-079358-000 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 695-7739 | D/9 Drawing number reference only Aqua-Chem, Inc. |
NSN 4320-01-076-4626 is a Ring,wearing, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-076-4626 has 2 manufacturer part numbers on file: 695-7739IT7 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), 066-07958-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-246-7998. Verify interchangeability with system specifications before substitution.
Key specifications for 066-07958-000: Material Document and Classification: QQ-N-258 FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: COMBAT SYSTEM SUPPORT EQUIPMENT; Material: COPPER ALLOY. 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.