AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 01-077-2885 (010772885) |
| NCB Code | USA (01) |
| Manufacturer | Rockwell Collins Aerospace |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATT | Material | ALUMINUM ALLOY 7075-T651 QQ-A-250/12 |
| AAJF | Thread Direction | RIGHT-HAND |
| AAJD | Thread Class | 2A |
| ABUJ | Thread Size | 3/8/1932 |
| ABVL | Aperture Diameter | 3.383 INCHES MINIMUM AND 3.393 INCHES MAXIMUM |
| AAJE | Thread Pitch Diameters | +3.7235 TO 3.7283 INCHES |
| ALGC | Mounting Configuration | 0.081 IN.DIA.12 HOLES EQUALLY SPACED |
| BMTL | Internal Flange Thickness | 0.362 INCHES NOMINAL |
| AJYP | Screw Thread Series Designator | UNS |
| ABKV | Outside Diameter | 3.740 INCHES MINIMUM AND 3.760 INCHES MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| APJC | Thread Location | EXTERNAL |
| ABET | Thread Length | 0.125 INCHES |
| Relevant Components for NSN - 1240-01-077-2885, 1240010772885 | ||||
| 1280-01-074-3164 (1280010743164) | 1265-01-580-8701 (1265015808701) | 1285-00-761-9126 (1285007619126) | 1280-00-868-4875 (1280008684875) | |
| 1270-00-673-1494 (1270006731494) | 1260-00-130-7671 (1260001307671) | 1220-00-159-6258 (1220001596258) | 1270-00-709-5224 (1270007095224) | |
| 1285-01-276-3922 (1285012763922) | 1270-00-589-6247 (1270005896247) | 1210-00-157-9132 (1210001579132) | 1240-01-473-1756 (1240014731756) | |
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