The Roller Assembly, cataloged under National Stock Number 5855-01-171-9841, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Theon Sensors Single Member S.a.. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Roller Assembly |
| FSC / FSG | 5855 — Night Vision Equipment, Emitted and Reflected Radiation (FSG 58) |
| Manufacturers | Theon Sensors Single Member S.a. (CAGE G1797); Compliance Design Inc (CAGE 66534); Autodyne Manufacturing Co Inc (CAGE 05584); Bae Systems Australia Limited (CAGE Z8518); Triangle Tool Co (CAGE 03TF2) |
| Parameter | Value |
|---|---|
| NSN | 5855-01-171-9841 |
| Primary Part Number | 129-116 |
| Item Name | Roller Assembly |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Theon Sensors Single Member S.a. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 129-116 | Theon Sensors Single Member S.a. (GRC) |
| SM-C-771454-1 | Compliance Design Inc (USA) |
| SM-C-771454-1 | Autodyne Manufacturing Co Inc (USA) |
| 15011033 | Bae Systems Australia Limited (AUS) |
| SM-C-771454-1 | Triangle Tool Co (USA) |
| Reference | Meaning |
|---|---|
| SM-C-771454-1 | 5/9 Secondary reference Valcore Manufacturing Llc |
| SM-C-771454-1 | 3/2 Design control — primary reference U.S. Government activity |
| SM-C-771454-1 | 5/9 Secondary reference Mar-May Precision Co Div of Birch-Cook Industries Inc |
| SM-C-771454-1 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| SM-C-771454-1 | 5/9 Secondary reference Adaptive Technologies Inc |
| SM-C-771454-1 | 5/9 Secondary reference Cobra Industries Inc |
NSN 5855-01-171-9841 is a Roller Assembly, manufactured by Theon Sensors Single Member S.a., classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-171-9841 has 5 manufacturer part numbers on file: 129-116 (Theon Sensors Single Member S.a.), SM-C-771454-1 (Compliance Design Inc), SM-C-771454-1 (Autodyne Manufacturing Co Inc), 15011033 (Bae Systems Australia Limited), SM-C-771454-1 (Triangle Tool Co).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-506-6706, 1440-01-707-8790. 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 5855-01-171-9841 has DEMIL Code B. 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.