The Tube,centrifuge, cataloged under National Stock Number 6640-01-040-8995, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Corning Glass Works. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-040-8995 |
| Primary Part Number | 25331 |
| Item Name | Tube,centrifuge |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Corning Glass Works |
| Status | ACTIVE |
| Style Designator | THREADED TOP CONICAL BOTTOM |
| Features Provided | DISPOSABLE AND STERILE |
| Primary Container Type | BAG |
| Tubing Outside Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Capacity Rating | 50.000 MILLILITERS NOMINAL |
| Scale Reading Direction | BOTTOM TO TOP OUTSIDE SINGLE SCALE |
| Calibration Function | TO CONTAIN |
| Unable to Decode | UNABLE TO DECODE |
| Material | PLASTIC POLYPROPYLENE |
| Scale Graduation Unit | 2.5 MILLILITERS FIRST INTERVAL SINGLE SCALE |
| Scale Graduation Unit | 5.0 MILLILITERS SECOND INTERVAL SINGLE SCALE |
| Scale Graduation Unit Range | +0.0 TO 10.0 MILLILITERS FIRST INTERVAL SINGLE SCALE |
| Scale Graduation Unit Range | +10.0 TO 50.0 MILLILITERS SECOND INTERVAL SINGLE SCALE |
| Primary Container Unit Quantity | 25 |
| Total Primary Container Quantity | 20 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 25331 PRIMARY | Corning Glass Works (USA) |
| Reference | Meaning |
|---|---|
| 4104 | 5/9 Secondary reference Miles Laboratories Inc Miles Scientific Div |
NSN 6640-01-040-8995 is a Tube,centrifuge, manufactured by Corning Glass Works, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-040-8995 has 1 manufacturer part number on file: 25331 (Corning Glass Works).
4 possible matches (shared part number, not a government interchangeability claim): 2990-01-130-5597, 3040-01-215-2236, 5670-01-254-9271. Verify interchangeability with system specifications before substitution.
Key specifications for 25331: Style Designator: THREADED TOP CONICAL BOTTOM; Overall Length: 115.00 MILLIMETERS NOMINAL MM; Features Provided: DISPOSABLE AND STERILE; Primary Container Type: BAG. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.