The Spacer,optical Element, cataloged under National Stock Number 6650-01-027-3632, 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 Theon Sensors Single Member S.a.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-027-3632 |
| Primary Part Number | 129-181 |
| Item Name | Spacer,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Theon Sensors Single Member S.a. |
| Status | ACTIVE |
| FSC Application Data | TEST SET,ELECT. EQUIP. |
| Special Test Features | INTERPRET DRAWING IAW MIL-D-1000/5A A |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 129-181 | Theon Sensors Single Member S.a. (GRC) |
| SM-C-771263 | Thermo Jarrell Ash Corp Baird Div (USA) |
| 712630 | Thermo Jarrell Ash Corp Baird Div (USA) |
| Reference | Meaning |
|---|---|
| SM-C-771263 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6650-01-027-3632 is a Spacer,optical Element, manufactured by Theon Sensors Single Member S.a., classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-027-3632 has 3 manufacturer part numbers on file: 129-181 (Theon Sensors Single Member S.a.), SM-C-771263 (Thermo Jarrell Ash Corp Baird Div), 712630 (Thermo Jarrell Ash Corp Baird Div).
Key specifications for 129-181: FSC Application Data: TEST SET,ELECT. EQUIP.; Special Test Features: INTERPRET DRAWING IAW MIL-D-1000/5A A; Material: ALUMINUM ALLOY. 3 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.
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.