| Item Name | Ring Retaining Opti |
| Federal Supply Group (FSG) | Fire Control Equipment |
| Federal Supply Class (FSC) | 1240 Optical Sighting And Ranging Equipment |
| National Item Identification Number (NIIN) | 01-172-2121 (011722121) |
| NCB Code | USA (01) |
| Manufacturer | L 3 Communications Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 82A5027A1506 | l 3 communications corporation | ring retaining opti | 27777 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ALGC | MOUNTING CONFIGURATION | TWO HOLES ON 25.2 MM MINIMUM AND 25.6 MM MAXIMUM CIRCLE,3.0 MM MINIMUM AND 4.0 MM MAXIMUM DIA |
| ABHP | OVERALL LENGTH | 7.63 MILLIMETERS MINIMUM AND 7.87 MILLIMETERS MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 31.63 MILLIMETERS MINIMUM AND 31.87 MILLIMETERS MAXIMUM |
| MATL | MATERIAL | ALUMINUM ALLOY, QQ-A-591, COMP 2 |
| BMTL | INTERNAL FLANGE THICKNESS | 1.27 MILLIMETERS NOMINAL |
| SURF | SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| Components Related to NSN - 1240-01-172-2121, 1240011722121 | ||||
| 1290-00-671-3044 (1290006713044) | 1210-00-157-9234 (1210001579234) | 1270-00-573-4730 (1270005734730) | 1240-01-063-1588 (1240010631588) | |
| 1220-00-381-6946 (1220003816946) | 1260-00-104-7254 (1260001047254) | 1270-00-131-0446 (1270001310446) | 1270-00-215-1518 (1270002151518) | |
| 1220-00-513-7264 (1220005137264) | 1285-00-895-6950 (1285008956950) | 1285-00-760-9273 (1285007609273) | 1290-00-937-0191 (1290009370191) | |
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