The Lens Assembly,periscope, cataloged under National Stock Number 2040-00-413-4530, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-413-4530 |
| Primary Part Number | 034233 |
| Item Name | Lens Assembly,periscope |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| General Characteristics Item Description | KOLLMORGEN CORP DWG NO. B566-60 AND B566-61 AND B566-62 AND B566-63 AND B566-82 AND B566-159 |
| Extra Long Reference Number | B566-60ANDB566-61ANDB566-62ANDB566-63ANDB566-82ANDB566-159 |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 034233 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 034233 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1852746 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 566A004795 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
| B566-60ANDB566-61ANDB566-62ANDB- | 3/1 Design control — primary reference Young Corp Affil of Isaacson Steel Co |
| 566A004718 | C/1 Advisory reference — outside the item-of-supply concept L3 Technologies, Inc. Div L3 Keo |
NSN 2040-00-413-4530 is a Lens Assembly,periscope, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-00-413-4530 has 2 manufacturer part numbers on file: 034233 (L3 Technologies, Inc. Div L3 Keo), 034233 (Northrop Grumman Systems Corporation).
Key specifications for 034233: General Characteristics Item Description: KOLLMORGEN CORP DWG NO. B566-60 AND B566-61 AND B566-62 AND B566-63 AND B566-82 AND B566-159; Extra Long Reference Number: B566-60ANDB566-61ANDB566-62ANDB566-63ANDB566-82ANDB566-159; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY EXTRA LONG REFERENCE NUMBER. 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.
NSN 2040-00-413-4530 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.