The Indicator,magnetic Variation, cataloged under National Stock Number 6655-01-658-1884, is classified within Federal Supply Class 6655 (Geophysical Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is R B Annis Instruments Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 6655-01-658-1884 |
| Primary Part Number | 25/2-0-2 |
| Item Name | Indicator,magnetic Variation |
| FSC / FSG | 6655 / 66 — Geophysical Instruments |
| Manufacturer | R B Annis Instruments Inc |
| 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 |
|---|---|
| 25/2-0-2 PRIMARY | R B Annis Instruments Inc (USA) |
NSN 6655-01-658-1884 is a Indicator,magnetic Variation, manufactured by R B Annis Instruments Inc, classified under FSC 6655, Geophysical Instruments. Status: active.
NSN 6655-01-658-1884 has 1 manufacturer part number on file: 25/2-0-2 (R B Annis Instruments Inc).
1 possible match (shared part number, not a government interchangeability claim): 7920-01-682-5339. Verify interchangeability with system specifications before substitution.
Key specifications for 25/2-0-2: Special Features: DIFFERENT GAUSS RANGES; Part Name Assigned by Controlling Agency: ANNIS MODEL 25 CALIBRATED POCKET MAGNETOMETER. 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.