The Filter,light,interference, cataloged under National Stock Number 1240-00-908-8633, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 1240-00-908-8633 |
| Item Name | Filter,light,interference |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Status | ACTIVE |
| Style Designator | RECTANGULAR |
| Color | CLEAR |
| Material | PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 200-213 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1240-00-908-8633 is a Filter,light,interference, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5950-00-976-0141, 5999-01-216-2398, 4730-01-315-8175. Verify interchangeability with system specifications before substitution.
Key specifications for 1240-00-908-8633: Style Designator: RECTANGULAR; Overall Length: 16.984 INCHES MAXIMUM IN; Overall Width: 11.234 INCHES MAXIMUM IN; Color: CLEAR. 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 1240-00-908-8633 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.