The Mirror,optical Instrument, cataloged under National Stock Number 6650-01-131-0073, 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 Contraves Inc. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-131-0073 |
| Primary Part Number | K-22 |
| Item Name | Mirror,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Contraves Inc |
| Status | ACTIVE |
| FSC Application Data | ALIGNMENT FIXTURE |
| Material | SILVER REFLECTIVE BACKING |
| Material | GLASS LOCATION NOT OTHERWISE SPECIFIED |
| Thickness | 0.770 INCHES NOMINAL IN |
| 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 |
|---|---|
| K-22 PRIMARY | Contraves Inc (USA) |
| Reference | Meaning |
|---|---|
| 188976C4 | 3/9 Design control — primary reference Alliance Tool Corp |
NSN 6650-01-131-0073 is a Mirror,optical Instrument, manufactured by Contraves Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-131-0073 has 1 manufacturer part number on file: K-22 (Contraves Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-275-5246, 6240-01-410-8958. Verify interchangeability with system specifications before substitution.
Key specifications for K-22: FSC Application Data: ALIGNMENT FIXTURE; Material: SILVER REFLECTIVE BACKING; Material: GLASS LOCATION NOT OTHERWISE SPECIFIED; Thickness: 0.770 INCHES NOMINAL IN. 4 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.
NSN 6650-01-131-0073 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.