The Cap,lens, cataloged under National Stock Number 5855-01-066-4398, 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 Autodyne Manufacturing Co Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5855-01-066-4398 |
| Primary Part Number | A11023 |
| Item Name | Cap,lens |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION |
| Liner | NOT FURNISHED |
| Special Test Features | INTERPRET DRAWING IAW SPEC DOD-D-1000 |
| Supplementary Features | INTERIOR CORNERS SHALL BE 0.300 RADIUS MAXIMUM |
| 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 |
|---|---|
| A11023 | Autodyne Manufacturing Co Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-D-771440 | 5/9 Secondary reference Valcore Manufacturing Llc |
| SM-D-771440 | 5/9 Secondary reference Dunlin Manufacturing / Skypen Industries Inc Dba Dunlin Mfg Co |
| SM-D-771440 | 3/2 Design control — primary reference U.S. Government activity |
| SM-D-771440 | 5/9 Secondary reference Valcore Manufacturing Llc Dba Use CAGE Code 04ye2 for Cataloging |
| SM-D-771440 | 5/9 Secondary reference U.S. Government activity |
| 10482959 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5855-01-066-4398 is a Cap,lens, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-066-4398 has 1 manufacturer part number on file: A11023 (Autodyne Manufacturing Co Inc).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-276-3611, 8455-01-587-7669, 8455-01-587-7680. Verify interchangeability with system specifications before substitution.
Key specifications for A11023: Overall Height: 0.632 INCHES NOMINAL IN; FSC Application Data: NIGHT VISION EQUIPMENT,EMITTED AND REFLECTED RADIATION; Liner: NOT FURNISHED; Special Test Features: INTERPRET DRAWING IAW SPEC DOD-D-1000. 5 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.