The Ring,retaining,optical Element, cataloged under National Stock Number 1240-00-101-0594, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Multi Manufacturing. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-101-0594 |
| Primary Part Number | 701C913P1 |
| Item Name | Ring,retaining,optical Element |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Multi Manufacturing |
| Status | ACTIVE |
| Internal Flange Thickness | 0.058 INCHES NOMINAL IN |
| Outside Diameter | 5.310 INCHES NOMINAL IN |
| Aperture Diameter | 4.512 INCHES NOMINAL IN |
| Mounting Configuration | EIGHT 0.194 IN. DIA MTG HOLES IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 701C913P1 | Multi Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 701C913P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1240-00-101-0594 is a Ring,retaining,optical Element, manufactured by Multi Manufacturing, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-00-101-0594 has 1 manufacturer part number on file: 701C913P1 (Multi Manufacturing).
Key specifications for 701C913P1: Internal Flange Thickness: 0.058 INCHES NOMINAL IN; Overall Length: 0.190 INCHES NOMINAL IN; Outside Diameter: 5.310 INCHES NOMINAL IN; Aperture Diameter: 4.512 INCHES NOMINAL IN. 5 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 1240-00-101-0594 has DEMIL Code B. 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.