The Ring,wearing, cataloged under National Stock Number 4320-00-010-2765, 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 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-010-2765 |
| Primary Part Number | CS4320-0085 |
| Item Name | Ring,wearing |
| 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 |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 3.773 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390,ALLOY D5 FED STD SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 3.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| SK134704 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 13389P | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| CS4320-0085 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 13389P | 5/9 Secondary reference U.S. Government activity |
| SK134704 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-010-2765 is a Ring,wearing, 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 4320-00-010-2765 has 3 manufacturer part numbers on file: SK134704 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 13389P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), CS4320-0085 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for CS4320-0085: Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 3.773 INCHES NOMINAL IN; Material Document and Classification: QQ-C-390,ALLOY D5 FED 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.