The Ring,wearing, cataloged under National Stock Number 4320-00-554-8036, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-554-8036 |
| Primary Part Number | CS4320-0253 |
| 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 |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Chamfer Length | 0.125 INCHES NOMINAL OUTSIDE RIGHT CORNER IN |
| Body Style | PLAIN |
| Body Outside Diameter | 3.688 INCHES MINIMUM AND 3.689 INCHES MAXIMUM IN |
| Body Inside Diameter | 3.436 INCHES MINIMUM AND 3.437 INCHES MAXIMUM IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER |
| Material | STEEL COMP 316 |
| 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 |
|---|---|
| CS4320-0253 PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| 578-3803-1511960PC5 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 578-3803-1511960PC5 | 5/9 Secondary reference U.S. Government activity |
NSN 4320-00-554-8036 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 4320-00-554-8036 has 2 manufacturer part numbers on file: CS4320-0253 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 578-3803-1511960PC5 (Naval Sea Systems Command).
Key specifications for CS4320-0253: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 11 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.