The Crucible,filtering,laboratory, cataloged under National Stock Number 6640-00-404-0657, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. The manufacturer of record is Coorstek Inc Div Headquarters. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6640-00-404-0657 |
| Primary Part Number | 60528 |
| Item Name | Crucible,filtering,laboratory |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Manufacturer | Coorstek Inc Div Headquarters |
| Status | ACTIVE |
| Glaze Location | OVERALL |
| Style Designator | TUMBLER |
| Filtering Disk Type and Size | 5.0 MICRONS FIXED POROUS |
| Overall Outside Diameter | 36.00 MILLIMETERS NOMINAL MM |
| Primary Container Type | CARTON |
| Capacity Rating | 25.000 MILLILITERS NOMINAL |
| Material | PORCELAIN |
| Primary Container Unit Quantity | 1 |
| Total Primary Container Quantity | 1 |
| 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 |
|---|---|
| 23856-044 | Vwr International, Llc Dba Vwr Scientific (USA) |
| 3322F14 | Arthur H. Thomas Company (USA) |
| 60528 PRIMARY | Coorstek Inc Div Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 8-226-610H | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 08-226-10B | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
NSN 6640-00-404-0657 is a Crucible,filtering,laboratory, manufactured by Coorstek Inc Div Headquarters, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
NSN 6640-00-404-0657 has 3 manufacturer part numbers on file: 23856-044 (Vwr International, Llc Dba Vwr Scientific), 3322F14 (Arthur H. Thomas Company), 60528 (Coorstek Inc Div Headquarters).
2 possible matches (shared part number, not a government interchangeability claim): 3750-01-347-4827, 3460-01-351-4548. Verify interchangeability with system specifications before substitution.
Key specifications for 60528: Overall Height: 42.00 MILLIMETERS NOMINAL MM; Glaze Location: OVERALL; Style Designator: TUMBLER; Filtering Disk Type and Size: 5.0 MICRONS FIXED POROUS. 9 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.