The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-787-8874, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-787-8874 |
| Primary Part Number | 2860312000 PIECE43 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 2.5010 INCHES MINIMUM AND 2.5020 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 2.0010 INCHES MINIMUM AND 2.0020 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY OVERALL |
| Keyway Dimension | 0.3750 INCHES NOMINAL INTERNAL KEYWAY WIDTH 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 |
|---|---|
| 31HCS18PC42 | Carver Pump Company (USA) |
| 2860312000 PIECE43 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| CS4320-SR-0709 | C/1 Advisory reference — outside the item-of-supply concept Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 2860312000 PIECE43 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 31HCS21PC42 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 31FCS22PC42 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 31-8-106 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 31-8-106 | 5/9 Secondary reference General Signal Corp |
| 31HCS21PC42 | 5/9 Secondary reference General Signal Corp |
| 31HCS18PC42 | 5/9 Secondary reference General Signal Corp |
| 31FCS22PC42 | 5/9 Secondary reference General Signal Corp |
| 31HCS18PC42 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 756-0174-237 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 4320-00-787-8874 is a Sleeve,shaft,pump, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-787-8874 has 2 manufacturer part numbers on file: 31HCS18PC42 (Carver Pump Company), 2860312000 PIECE43 (Carver Pump Company).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-323-2372. Verify interchangeability with system specifications before substitution.
Key specifications for 2860312000 PIECE43: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 2.5010 INCHES MINIMUM AND 2.5020 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 6.1250 INCHES MINIMUM AND 6.1280 INCHES MAXIMUM IN. 6 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.