The Refractometer, cataloged under National Stock Number 6650-01-643-5908, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Federal Acquisition Service. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6650-01-643-5908 |
| Primary Part Number | FMRAOPT10 |
| Item Name | Refractometer |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Federal Acquisition Service |
| 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 |
|---|---|
| 43009 | Vee Gee Scientific, Inc. (USA) |
| IRB10ATC | Fisher Scientific Company L.l.c. Dba Fisher Healthcare (USA) |
| 34WP36 | Sps Industrial Inc Dba Sps Industrial Inc (USA) |
| FMRAOPT10 PRIMARY | Federal Acquisition Service (USA) |
| 12-561-337 | Fisher Scientific Company L.l.c. Dba Fisher Healthcare (USA) |
| 635-0629 | Document Imaging Dimensions Inc. (USA) |
| Reference | Meaning |
|---|---|
| 635-0629 | 5/9 Secondary reference Vwr International Llc Dba Vwr International, Inc |
NSN 6650-01-643-5908 is a Refractometer, manufactured by Federal Acquisition Service, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-643-5908 has 6 manufacturer part numbers on file: 43009 (Vee Gee Scientific, Inc.), IRB10ATC (Fisher Scientific Company L.l.c. Dba Fisher Healthcare), 34WP36 (Sps Industrial Inc Dba Sps Industrial Inc), FMRAOPT10 (Federal Acquisition Service), 12-561-337 (Fisher Scientific Company L.l.c. Dba Fisher Healthcare) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 6532-01-690-7045. Verify interchangeability with system specifications before substitution.
Key specifications for FMRAOPT10: Special Features: MEASURING RANGE: 0-10% BRIX; RESOLUTION: 0, 1%; ATC (TO 20 DEG C): YES; ACCURACY: + OR - 0, 1% DEGC; Part Name Assigned by Controlling Agency: HANDHELD REFRACTOMETER. 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.