The Collimator, cataloged under National Stock Number 6650-01-108-6503, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Gaertner Scientific Corporation. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-108-6503 |
| Primary Part Number | M551 |
| Item Name | Collimator |
| FSC / FSG | 6650 / 66 — No Item Name Available |
| Manufacturer | Gaertner Scientific Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | INFINITY FOCUS; CONTAINS MICROMETER; CALIBRATED TO APPROXIMATELY 1 SEC OF ARC PER MICROMETER DIVISION; CROSS HAIRS AT 90.0 DEG ANGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M551 PRIMARY | Gaertner Scientific Corporation (USA) |
NSN 6650-01-108-6503 is a Collimator, manufactured by Gaertner Scientific Corporation, classified under FSC 6650 (No Item Name Available). Status: active.
NSN 6650-01-108-6503 has 1 cross-referenced part number: M551 (Gaertner Scientific Corporation).
There are 5 known substitutes for 6650-01-108-6503: 5331-00-579-8108, 2920-00-603-7252, 3110-00-931-7854 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for M551: General Characteristics Item Description: INFINITY FOCUS; CONTAINS MICROMETER; CALIBRATED TO APPROXIMATELY 1 SEC OF ARC PER MICROMETER DIVISION; CROSS HAIRS AT 90.0 DEG ANGLE. 1 total characteristics are documented in the Federal Logistics Information System.