The Clamp,utility,laboratory, cataloged under National Stock Number 6640-01-661-1990, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6640-01-661-1990 |
| Item Name | Clamp,utility,laboratory |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Jaw Type | SINGLE |
| Construction | 3-PRONG |
| Surface Treatment | NICKEL |
| Material | ZINC ALLOY LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 916052 | 3/1 Design control — primary reference Troemner Llc |
| 02-300-202 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| 1450180 | 5/1 Secondary reference U.S. Government activity |
| 6640NCM173359 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6640-01-661-1990 is a Clamp,utility,laboratory, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
Key specifications for 6640-01-661-1990: Jaw Type: SINGLE; Construction: 3-PRONG; Special Features: LARGE GRIP ADJUSTMENT RANGE; 3-PRONG CONSTRUCTION; SINGLE OR DUAL ADJUST; NICKEL-PLATED ZINC. DESIGNED TO SECURELY HOLD EVERY TYPE OF LABORATORY GLASSWARE AND APPARATUS; WEIGHT APPROXIMATELY 1 LBS.; UNIT CUBE 0.0156 CU. FT LBS; Surface Treatment: NICKEL. 4 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.