The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-218-4451, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4320-00-218-4451 |
| Primary Part Number | D95 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Body Outside Diameter | 1.2500 INCHES NOMINAL IN |
| Hardness Rating | 265.0 BRINELL STANDARD NOMINAL OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | CASEHARDENED |
| Body Inside Diameter | 0.7500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY K-500 OVERALL |
| Keyway Dimension | 0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN |
| Keyway Dimension | 0.0938 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| 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 |
|---|---|
| D95 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| H4320-218-4451 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| R-209PC4 | D/9 Drawing number reference only Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4320-00-218-4451 is a Sleeve,shaft,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-218-4451 has 2 manufacturer part numbers on file: D95 (Circor Naval Solutions Llc Dba Warren Pumps), H4320-218-4451 (Naval Inventory Control Point Mechanicsburg).
Key specifications for D95: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 13 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.