The Cell,optical Element, cataloged under National Stock Number 5855-01-276-4495, 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 Ordnance Parts and Engineering Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-01-276-4495 |
| Primary Part Number | SM-D-850322-1 |
| Item Name | Cell,optical Element |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Ordnance Parts and Engineering Co |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIP.,EMITTED AND RELFECTED RADIATION |
| Overall Diameter | 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN |
| Eccentric Construction | NOT PROVIDED |
| Thread Pitch Diameters | +1.2747 TO 1.2786 INCHES AND +3.3597 TO 3.3657 INCHES AND +3.1797 TO 3.1855 INCHES AND +1.1797 TO 1.1848 INCHES IN |
| Thread Length | 0.253 INCHES AND 0.185 INCHES AND 0.150 INCHES AND 0.149 INCHES IN |
| Thread Location | EXTERNAL AND INTERNAL |
| Chamfer Location | SMALLER DIAMETER END |
| Thread Direction | RIGHT-HAND |
| Chamfer Size | 0.030 IN. BY 45 DEG IN |
| Thread Size | 1 3/10-32 AND 3 19/50-32 AND 3 1/5-32 AND 1 1/5-32 |
| Screw Thread Series Designator | UNS |
| Thread Class | 2A AND 2B A |
| Material | ALUMINUM ALLOY 356.0 |
| 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-D-850322-1 | Ordnance Parts and Engineering Co (USA) |
| SM-D-850322-1 | Obs Products Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-D-850322-1 | 3/2 Design control — primary reference U.S. Government activity |
| SM-D-850322-1 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| SM-D-850322-1 | 5/9 Secondary reference L3 Technologies, Inc. Dba Insight Technology Division Div Insight Technology Division |
NSN 5855-01-276-4495 is a Cell,optical Element, manufactured by Ordnance Parts and Engineering Co, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-276-4495 has 2 manufacturer part numbers on file: SM-D-850322-1 (Ordnance Parts and Engineering Co), SM-D-850322-1 (Obs Products Inc).
Key specifications for SM-D-850322-1: FSC Application Data: NIGHT VISION EQUIP.,EMITTED AND RELFECTED RADIATION; Overall Diameter: 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM IN; Eccentric Construction: NOT PROVIDED; Thread Pitch Diameters: +1.2747 TO 1.2786 INCHES AND +3.3597 TO 3.3657 INCHES AND +3.1797 TO 3.1855 INCHES AND +1.1797 TO 1.1848 INCHES IN. 13 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 5855-01-276-4495 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.