The Holder,optical Element, cataloged under National Stock Number 1240-01-657-1390, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Seco Manufacturing Co, Inc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-657-1390 |
| Primary Part Number | 2090-06 |
| Item Name | Holder,optical Element |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Seco Manufacturing Co, Inc |
| Status | ACTIVE |
| 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 |
NSN 1240-01-657-1390 is a Holder,optical Element, manufactured by Seco Manufacturing Co, Inc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-657-1390 has 2 manufacturer part numbers on file: 2090-06 (Seco Manufacturing Co, Inc), 2090-06 (Ultimate Positioning Group Pty Ltd).
Key specifications for 2090-06: Special Features: 5/8X11 360 DEGREE CONVERTS ROBOTIC POLE TO GPS POLE, 0.26 LBS LBS; Part Name Assigned by Controlling Agency: HOLDER, OPTICAL ELEMENT; Material: ALUMINUM ALLOY. 1 specification is 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.