The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-620-4754, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-620-4754 |
| Primary Part Number | D178 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Outside Diameter | 1.2450 INCHES NOMINAL IN |
| Flange Width | 0.6875 INCHES NOMINAL IN |
| Body Inside Diameter | 0.8750 INCHES NOMINAL IN |
| Flange Outside Diameter | 1.4375 INCHES NOMINAL IN |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Features Provided | CASEHARDENED |
| Material | NICKEL ALLOY OVERALL |
| Keyway Dimension | 0.3125 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Keyway Dimension | 0.0980 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H3314961 | Naval Ship Systems Command (USA) |
| H4320-620-4754 | Naval Inventory Control Point Mechanicsburg (USA) |
| D178 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R594PC35 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-620-4754 is a Sleeve,shaft,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-620-4754 has 4 cross-referenced part numbers: H3314961 (Naval Ship Systems Command), H4320-620-4754 (Naval Inventory Control Point Mechanicsburg), D178 (Circor Naval Solutions Llc Dba Warren Pumps), R594PC35 (Circor Naval Solutions Llc Dba Warren Pumps).
There is 1 known substitute for 4320-00-620-4754: 4320-00-620-4755. Verify interchangeability with system specifications before substitution.
Key specifications for D178: Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 4.6875 INCHES NOMINAL IN; Body Outside Diameter: 1.2450 INCHES NOMINAL IN; Flange Width: 0.6875 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.