The Scale,diopter, cataloged under National Stock Number 1240-01-269-1045, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-269-1045 |
| Primary Part Number | 3183226 |
| Item Name | Scale,diopter |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Scale Unit of Measure Inscription | PLUS OR MINUS 0 TO 2 |
| Overall Outside Diameter | 1.210 INCHES NOMINAL IN |
| Inscription Color | BLACK |
| Scale Division Quantity | 5 |
| Inside Diameter | 1.125 INCHES NOMINAL IN |
| Mounting Configuration | PRESS FITTED |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 3183226 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 1240-01-269-1045 is a Scale,diopter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-269-1045 has 1 manufacturer part number on file: 3183226 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3183226: Overall Height: 0.187 INCHES NOMINAL IN; Scale Unit of Measure Inscription: PLUS OR MINUS 0 TO 2; Overall Outside Diameter: 1.210 INCHES NOMINAL IN; Inscription Color: BLACK. 7 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.
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.