The Lens,infrared Receiver, cataloged under National Stock Number 5855-01-151-4055, 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 Polytech Defense Spares Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5855-01-151-4055 |
| Primary Part Number | SM-C-771242 |
| Item Name | Lens,infrared Receiver |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Polytech Defense Spares Llc |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION |
| Element Left Surface Radius | -6.557 INCHES IN |
| Diameter | 3.779 INCHES NOMINAL IN |
| Axial Thickness | 0.881 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| Single Lens Style | DOUBLE CONVEX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-C-771242 | Polytech Defense Spares Llc (USA) |
| SM-C-771242 | Thermo Jarrell Ash Corp Baird Div (USA) |
| Reference | Meaning |
|---|---|
| SM-C-771242 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5855-01-151-4055 is a Lens,infrared Receiver, manufactured by Polytech Defense Spares Llc, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-151-4055 has 2 manufacturer part numbers on file: SM-C-771242 (Polytech Defense Spares Llc), SM-C-771242 (Thermo Jarrell Ash Corp Baird Div).
Key specifications for SM-C-771242: FSC Application Data: NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION; Element Left Surface Radius: -6.557 INCHES IN; Diameter: 3.779 INCHES NOMINAL IN; Axial Thickness: 0.881 INCHES NOMINAL IN. 6 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 5855-01-151-4055 has DEMIL Code D. 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.