The Clamp,tubing,regulating-Shutoff, cataloged under National Stock Number 6640-00-418-0700, is classified within Federal Supply Class 6640 (Laboratory Equipment and Supplies) of the Instruments and Laboratory Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6640-00-418-0700 |
| Item Name | Clamp,tubing,regulating-Shutoff |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 0.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 5 TYPE AND 1 SIZE |
| Function for Which Designed | FLOW SHUTOFF |
| 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 |
|---|---|
| MS36004-1 | 2/2 Government specification standardization U.S. Government activity |
| NNNC435 | 4/1 Identification reference U.S. Government activity |
| 05-850B | 5/1 Secondary reference Houston Medlabs, Inc |
NSN 6640-00-418-0700 is a Clamp,tubing,regulating-Shutoff, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6640-00-418-0800. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-00-418-0700: Tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 5 TYPE AND 1 SIZE; Function for Which Designed: FLOW SHUTOFF; Special Features: UNIT TYPE-LEVER & HINGED JAW. 3 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.