The Vacuum Pump,reciprocating, cataloged under National Stock Number 4310-01-262-7527, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Imi Cornelius Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4310-01-262-7527 |
| Primary Part Number | 31568 |
| Item Name | Vacuum Pump,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Imi Cornelius Inc. |
| Status | ACTIVE |
| Pumping Element Type | DIAPHRAGM |
| Vacuum Rating | 20.0 INCHES OF MERCURY IN |
| Air Displacement Rate | 6.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4310-01-262-7527 is a Vacuum Pump,reciprocating, manufactured by Imi Cornelius Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-262-7527 has 2 manufacturer part numbers on file: 31568 (Imi Cornelius Inc.), 400-1911 (Cole-Parmer Instrument Co Dba Barnant Co).
2 possible matches (shared part number, not a government interchangeability claim): 6110-01-348-1842, 4810-01-377-3869. Verify interchangeability with system specifications before substitution.
Key specifications for 31568: Pumping Element Type: DIAPHRAGM; Vacuum Rating: 20.0 INCHES OF MERCURY IN; Air Displacement Rate: 6.0 CUBIC FEET PER MINUTE IN FREE AIR; Gas for Which Designed: AIR. 4 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.