The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-336-8912, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 12 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through both NSN and commercial part number lookups. 48 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-336-8912 |
| Primary Part Number | H4320-336-8912 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 1.6300 INCHES NOMINAL IN |
| Body Outside Diameter | 1.3750 INCHES NOMINAL IN |
| Hardness Rating | 265.0 BRINELL STANDARD NOMINAL OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 1.1250 INCHES NOMINAL IN |
| Flange Width | 0.2500 INCHES NOMINAL IN |
| Material | NICKEL ALLOY K-500 OVERALL |
| Keyway Dimension | 0.0938 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| Keyway Dimension | 0.2500 INCHES NOMINAL INTERNAL KEYWAY WIDTH IN |
| Keyway Dimension | 0.3125 INCHES NOMINAL INTERNAL KEYWAY LENGTH 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 |
|---|---|
| H4320-336-8912 PRIMARY | Naval Inventory Control Point Mechanicsburg (USA) |
| D3 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| DD381S47-0100PC9 | 5/9 Secondary reference U.S. Government activity |
| BS538PC9 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| BS809PC9 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| CV9S4700-0103PC9 | 5/9 Secondary reference Naval Sea Systems Command |
| BS668PC9 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| CL49S58-019PC9 | 5/9 Secondary reference U.S. Government activity |
| DD356S47-04PC10 | 5/9 Secondary reference Naval Sea Systems Command |
| CL49S58-019PC9 | 5/9 Secondary reference Naval Sea Systems Command |
| DD380S46-080PC7 | 5/9 Secondary reference Naval Sea Systems Command |
| DD356S47-04PC10 | 5/9 Secondary reference U.S. Government activity |
| 191122PC9 | 5/9 Secondary reference Naval Sea Systems Command |
| 191122PC9 | 5/9 Secondary reference U.S. Government activity |
| BS537PC9 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| DD380S58-047PC48 | 5/9 Secondary reference Naval Sea Systems Command |
| DD397S58-068PC9 | 5/9 Secondary reference U.S. Government activity |
| DD356S58-022PC9 | 5/9 Secondary reference U.S. Government activity |
| CL40S46-045PC9 | 5/9 Secondary reference U.S. Government activity |
| BS707PC9 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| BS458APC9 | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
| CL49S58-020PC44 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4320-00-336-8912 is a Sleeve,shaft,pump, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-336-8912 has 2 manufacturer part numbers on file: H4320-336-8912 (Naval Inventory Control Point Mechanicsburg), D3 (Circor Naval Solutions Llc Dba Warren Pumps).
7 possible matches (shared part number, not a government interchangeability claim): 5915-00-342-6344, 5905-00-500-7768, 5340-00-724-2883. Verify interchangeability with system specifications before substitution.
Key specifications for H4320-336-8912: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 1.6300 INCHES NOMINAL IN; Body Outside Diameter: 1.3750 INCHES NOMINAL IN; Hardness Rating: 265.0 BRINELL STANDARD NOMINAL OVERALL. 12 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.