The Case,optical Instrument, cataloged under National Stock Number 1240-01-529-7733, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Mm Reif Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Case,optical Instrument |
| FSC / FSG | 1240 — Optical Sighting and Ranging Equipment (FSG 12) |
| Manufacturers | Mm Reif Ltd (CAGE 1KNH1) |
| Parameter | Value |
|---|---|
| NSN | 1240-01-529-7733 |
| Primary Part Number | CC3857BA-3 |
| Item Name | Case,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Mm Reif Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| CC3857BA-3 | Mm Reif Ltd (USA) |
| Reference | Meaning |
|---|---|
| 21102487-103 | 5/9 Secondary reference Fleming Industries Inc Dba Iron Duck Division Div Iron Duck |
| 8411043-3 | 3/2 Design control — primary reference U.S. Government activity |
| 21102487-103 | 5/9 Secondary reference U.S. Government activity |
| 21102487-106 | 5/9 Secondary reference U.S. Government activity |
NSN 1240-01-529-7733 is a Case,optical Instrument, manufactured by Mm Reif Ltd, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-529-7733 has 1 manufacturer part number on file: CC3857BA-3 (Mm Reif Ltd).
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.