The Telescope Subassembly, cataloged under National Stock Number 6650-01-278-4359, 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 Chicago Steel Tape Co Inc Berger Instruments Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Telescope Subassembly |
| FSC / FSG | 6650 — Optical Instruments, Test Equipment, Components and Accessories (FSG 66) |
| Manufacturers | Chicago Steel Tape Co Inc Berger Instruments Co Inc (CAGE 06995) |
| Parameter | Value |
|---|---|
| NSN | 6650-01-278-4359 |
| Primary Part Number | 16679 |
| Item Name | Telescope Subassembly |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Chicago Steel Tape Co Inc Berger Instruments Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 16679 PRIMARY | Chicago Steel Tape Co Inc Berger Instruments Co Inc (USA) |
NSN 6650-01-278-4359 is a Telescope Subassembly, manufactured by Chicago Steel Tape Co Inc Berger Instruments Co Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-278-4359 has 1 manufacturer part number on file: 16679 (Chicago Steel Tape Co Inc Berger Instruments Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 2610-01-506-0388, 6515-01-589-0510. Verify interchangeability with system specifications before substitution.
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 6650-01-278-4359 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.