The Test Tube, cataloged under National Stock Number 6640-01-176-7596, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Sarstedt, Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-176-7596 |
| Primary Part Number | 55481 |
| Item Name | Test Tube |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Sarstedt, Inc |
| Status | ACTIVE |
| Primary Container Type | PACKAGE |
| Capacity Rating | 9.000 MILLILITERS NOMINAL |
| Calibration Function | TO CONTAIN |
| Material | PLASTIC POLYSTYRENE |
| Primary Container Unit Quantity | 1000 |
| Total Primary Container Quantity | 2 |
| 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 |
|---|---|
| 55481 PRIMARY | Sarstedt, Inc (USA) |
| Reference | Meaning |
|---|---|
| 55481 | 3/9 Design control — primary reference Sarstedt Inc |
NSN 6640-01-176-7596 is a Test Tube, manufactured by Sarstedt, Inc, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-176-7596 has 1 manufacturer part number on file: 55481 (Sarstedt, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-181-4982. Verify interchangeability with system specifications before substitution.
Key specifications for 55481: Primary Container Type: PACKAGE; Capacity Rating: 9.000 MILLILITERS NOMINAL; Special Features: 67 X 16.8 MM; TRANSPARENT DISPENSER TUBES; 2000 TUBES PER PACKAGE MM; Calibration Function: TO CONTAIN. 6 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.