The Filter,light,optical Instrument, cataloged under National Stock Number 1240-00-130-5658, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Optical Coating Laboratory, Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-130-5658 |
| Primary Part Number | 6042003-1 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Optical Coating Laboratory, Llc |
| Status | ACTIVE |
| FSC Application Data | NIGHT VISION EQUIP. |
| Viewing Surface Overall Height | 0.141 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN |
| Viewing Surface Overall Width | 7.250 INCHES NOMINAL IN |
| Density Variability | NOT VARIABLE |
| 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 |
|---|---|
| 6042003-1 PRIMARY | Optical Coating Laboratory, Llc (USA) |
| Reference | Meaning |
|---|---|
| SC-D-599921-1 | 5/2 Secondary reference U.S. Government activity |
| SC-D-599921-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1240-00-130-5658 is a Filter,light,optical Instrument, manufactured by Optical Coating Laboratory, Llc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-00-130-5658 has 1 manufacturer part number on file: 6042003-1 (Optical Coating Laboratory, Llc).
Key specifications for 6042003-1: Overall Height: 0.141 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; FSC Application Data: NIGHT VISION EQUIP.; Viewing Surface Overall Height: 0.141 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN; Overall Width: 6.719 INCHES NOMINAL IN. 4 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 1240-00-130-5658 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.