The Clamp,tubing,regulating-Shutoff, cataloged under National Stock Number 6640-01-381-5495, 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3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6640-01-381-5495 |
| Item Name | Clamp,tubing,regulating-Shutoff |
| FSC / FSG | 6640 / 66 — Laboratory Equipment and Supplies |
| Status | ACTIVE |
| Criticality Code Justification | ZZZW |
| Departure From Cited Document | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Function for Which Designed | FLOW REGULATING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 05-847 | 5/9 Secondary reference Fisher Scientific Company L.l.c. |
| A-A-51245 | 4/1 Identification reference U.S. Government activity |
NSN 6640-01-381-5495 is a Clamp,tubing,regulating-Shutoff, classified under FSC 6640, Laboratory Equipment and Supplies. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-383-8884, 7520-01-603-0825. Verify interchangeability with system specifications before substitution.
Key specifications for 6640-01-381-5495: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Function for Which Designed: FLOW REGULATING. 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.
NSN 6640-01-381-5495 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.