The Micrometer,optical, cataloged under National Stock Number 6650-01-347-2203, 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 Brunson Instrument Company Dba Brunson Instrument Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6650-01-347-2203 |
| Primary Part Number | 71-1112 |
| Item Name | Micrometer,optical |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Brunson Instrument Company Dba Brunson Instrument Company |
| Status | ACTIVE |
| General Characteristics Item Description | OPTICAL MICROMETER IS USED AS AN ATTACHMENT TO THE LASER INSTRUMENT TO ENABLE DISPLACEMENT OF THE LASER PARALLEL TO ITSELF IN 2 MUTUALLY INDEPENDENT ORTHOGONAL PLANES; DIRECT READING TO0.001 IN. OVER RANGE OF PORM 0.100 IN.TO ACCURACY OF PORM 0.0002 IN. OVER FULL RANGE; HAS DUSTPROOF COVER GLASS AND SPLIT CLAMP FOR MOUNTING; 1 AND 1/4 POUNDS; AUTO-COLLIMATING; HAS GRADUATED RED AND BLACK SCALE READING; TOLERANCE 0.0002 IN.; (0.005 MM) LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 71-1112SP | Brunson Instrument Company Dba Brunson Instrument Company (USA) |
| 71-1112 PRIMARY | Brunson Instrument Company Dba Brunson Instrument Company (USA) |
| Reference | Meaning |
|---|---|
| 71-1112 | 5/9 Secondary reference B-K Medical Systems, Inc. |
| 71-1112SP | 5/9 Secondary reference B-K Medical Systems, Inc. |
NSN 6650-01-347-2203 is a Micrometer,optical, manufactured by Brunson Instrument Company Dba Brunson Instrument Company, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-347-2203 has 2 manufacturer part numbers on file: 71-1112SP (Brunson Instrument Company Dba Brunson Instrument Company), 71-1112 (Brunson Instrument Company Dba Brunson Instrument Company).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-388-5790. Verify interchangeability with system specifications before substitution.
Key specifications for 71-1112: General Characteristics Item Description: OPTICAL MICROMETER IS USED AS AN ATTACHMENT TO THE LASER INSTRUMENT TO ENABLE DISPLACEMENT OF THE LASER PARALLEL TO ITSELF IN 2 MUTUALLY INDEPENDENT ORTHOGONAL PLANES; DIRECT READING TO0.001 IN. OVER RANGE OF PORM 0.100 IN.TO ACCURACY OF PORM 0.0002 IN. OVER FULL RANGE; HAS DUSTPROOF COVER GLASS AND SPLIT CLAMP FOR MOUNTING; 1 AND 1/4 POUNDS; AUTO-COLLIMATING; HAS GRADUATED RED AND BLACK SCALE READING; TOLERANCE 0.0002 IN.; (0.005 MM) LBS. 1 specification is 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.
NSN 6650-01-347-2203 has DEMIL Code Q. 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.