The Flask,dewar, cataloged under National Stock Number 6640-01-460-2563, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Vwr International, Llc Dba Vwr Scientific. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-460-2563 |
| Primary Part Number | 55708-604 |
| Item Name | Flask,dewar |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Vwr International, Llc Dba Vwr Scientific |
| Status | ACTIVE |
| Capacity Rating | 10.000 LITERS NOMINAL |
| 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 |
|---|---|
| 55708-604 PRIMARY | Vwr International, Llc Dba Vwr Scientific (USA) |
| Reference | Meaning |
|---|---|
| 55708-604 | 5/9 Secondary reference U.S. Government activity |
| 98-0617 | 5/1 Secondary reference U.S. Government activity |
NSN 6640-01-460-2563 is a Flask,dewar, manufactured by Vwr International, Llc Dba Vwr Scientific, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-01-460-2563 has 1 manufacturer part number on file: 55708-604 (Vwr International, Llc Dba Vwr Scientific).
Key specifications for 55708-604: Capacity Rating: 10.000 LITERS NOMINAL; Special Features: TAYLOR-WHARTON DESIGN; MODEL 10LD; CRYOGENIC; 10L CAPACITY; 533 MM O/A HEIGHT; 289 MM DIA; USED FOR THE SAFE STORAGE OF LIQUID NITROGEN IN SMALL QUANTITIES MM; Part Name Assigned by Controlling Agency: FLASK DEWAR 10L TAYLOR-WHARTON USED F/SAFE STORAGE LIQ NITROGEN. 1 specification is 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.