The Fixture,test,optical Equipment, cataloged under National Stock Number 6650-01-550-7828, 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 Spectron Engineering, Inc. Dba Spectron Engineering Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Fixture,test,optical Equipment |
| FSC / FSG | 6650 — Optical Instruments, Test Equipment, Components and Accessories (FSG 66) |
| Manufacturers | Spectron Engineering, Inc. Dba Spectron Engineering Inc (CAGE 66782) |
| Parameter | Value |
|---|---|
| NSN | 6650-01-550-7828 |
| Primary Part Number | 1420-HC-XP-02 |
| Item Name | Fixture,test,optical Equipment |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Spectron Engineering, Inc. Dba Spectron Engineering Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 1420-HC-XP-02 PRIMARY | Spectron Engineering, Inc. Dba Spectron Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 195A831 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 6650-01-550-7828 is a Fixture,test,optical Equipment, manufactured by Spectron Engineering, Inc. Dba Spectron Engineering Inc, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-550-7828 has 1 manufacturer part number on file: 1420-HC-XP-02 (Spectron Engineering, Inc. Dba Spectron Engineering Inc).
4 possible matches (shared part number, not a government interchangeability claim): 4920-01-551-0527, 4920-01-551-0560, 4920-01-551-0580. 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 6650-01-550-7828 has DEMIL Code C. 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.