The Ring,wearing, cataloged under National Stock Number 4320-01-076-3317, 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 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-076-3317 |
| Primary Part Number | 066-07955-000 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 5.615 INCHES NOMINAL IN |
| Material Document and Classification | ASTMB584 ASSN STD SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 5.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY 903 |
| 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 |
|---|---|
| 066-07955-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 695-7739 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 66-7956 | D/9 Drawing number reference only Aqua-Chem, Inc. |
| 066-07955-000 | 3/9 Design control — primary reference Aqua-Chem, Inc. |
| 66-7955 | 5/9 Secondary reference Aqua-Chem, Inc. |
| 695-7739IT32 | 5/9 Secondary reference Aqua-Chem, Inc. |
NSN 4320-01-076-3317 is a Ring,wearing, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-076-3317 has 1 manufacturer part number on file: 066-07955-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-076-4626, 4320-01-246-7998. Verify interchangeability with system specifications before substitution.
Key specifications for 066-07955-000: Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 5.615 INCHES NOMINAL IN; Material Document and Classification: ASTMB584 ASSN STD SINGLE MATERIAL RESPONSE. 6 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.