The Seismograph, cataloged under National Stock Number 6655-01-597-3000, is classified within Federal Supply Class 6655 (Geophysical Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Carver Pump Company. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6655-01-597-3000 |
| Primary Part Number | 890-4200011 |
| Item Name | Seismograph |
| FSC / FSG | 6655 / 66 — Geophysical Instruments |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 890-4200011 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-4213-D-07 | D/9 Drawing number reference only Carver Pump Company |
NSN 6655-01-597-3000 is a Seismograph, manufactured by Carver Pump Company, classified under FSC 6655, Geophysical Instruments. Status: active.
NSN 6655-01-597-3000 has 1 manufacturer part number on file: 890-4200011 (Carver Pump Company).
Key specifications for 890-4200011: Special Features: VIBRATION SENSOR; Part Name Assigned by Controlling Agency: WILCOXIN RESEARCH MODEL PC420C. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.