The Telescope,elbow, cataloged under National Stock Number 6650-01-219-8535, 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 Keuffel and Esser Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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 | 6650-01-219-8535 |
| Primary Part Number | 712240 |
| Item Name | Telescope,elbow |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Keuffel and Esser Co |
| Status | ACTIVE |
| Accessory Components and Quantity | 110 VOLT AC 50-60 CYCLE VARIABLE TRANSFORMER |
| 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 |
|---|---|
| 712240 PRIMARY | Keuffel and Esser Co (USA) |
NSN 6650-01-219-8535 is a Telescope,elbow, manufactured by Keuffel and Esser Co, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-219-8535 has 1 manufacturer part number on file: 712240 (Keuffel and Esser Co).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-227-1632. Verify interchangeability with system specifications before substitution.
Key specifications for 712240: Accessory Components and Quantity: 110 VOLT AC 50-60 CYCLE VARIABLE TRANSFORMER; Special Features: COMBINATION AUTO-COLLIMATION PROJECTION AND RIGHT-ANGLE EYEPIECE; CAN BE CONVERTED TO FORM STRAIGHT-THROUGH VISION SYSTEM. 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 6650-01-219-8535 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.