The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-121-0446, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-121-0446 |
| Primary Part Number | K4B14F |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.2435 INCHES MINIMUM AND 2.2445 INCHES MAXIMUM IN |
| Hardness Rating | 265.0 SHORE SCLEROSCOPE MINIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Features Provided | CASEHARDENED |
| Body Inside Diameter | 1.7510 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Keyway Dimension | 0.5640 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN |
| Keyway Dimension | 2.2435 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 |
|---|---|
| CS4320-0334 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| K4B14F PRIMARY | Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA) |
NSN 4320-00-121-0446 is a Sleeve,shaft,pump, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-121-0446 has 2 manufacturer part numbers on file: CS4320-0334 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), K4B14F (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).
Key specifications for K4B14F: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.2435 INCHES MINIMUM AND 2.2445 INCHES MAXIMUM IN; Hardness Rating: 265.0 SHORE SCLEROSCOPE MINIMUM OVERALL; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES. 9 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.