The Ring,wearing, cataloged under National Stock Number 4320-01-229-9003, 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 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-229-9003 |
| Primary Part Number | CS-4320-5V-0785 |
| 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 |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Flange Diameter | 10.750 INCHES NOMINAL IN |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Chamfer Length | 0.060 INCHES NOMINAL INSIDE LEFT CORNER IN |
| Chamfer Length | 0.500 INCHES NOMINAL OUTSIDE RIGHT CORNER IN |
| Body Style | EXTERNAL FLANGE |
| Body Outside Diameter | 8.500 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.563 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-288,COMP B MFR REF SINGLE MATERIAL RESPONSE |
| Left Side Flange Thickness | 0.750 INCHES NOMINAL IN |
| Body Inside Diameter | 7.200 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 9.625 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER |
| Chamfer Angle | 45.0 DEGREES NOMINAL INSIDE LEFT CORNER |
| Material | NICKEL 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 |
|---|---|
| CS-4320-5V-0785 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 314856 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| SPI-314856 | 5/9 Secondary reference Ships Parts Inc |
| 1C-4355PC112-1 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| CS-4320-SV-0785 | D/9 Drawing number reference only Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
NSN 4320-01-229-9003 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 4320-01-229-9003 has 1 manufacturer part number on file: CS-4320-5V-0785 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for CS-4320-5V-0785: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Flange Diameter: 10.750 INCHES NOMINAL IN; Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER. 19 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.