| 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 | ||||
| 1265-00-614-8088 (1265006148088) | 1240-01-118-9964 (1240011189964) | 1285-00-449-6275 (1285004496275) | 1270-01-119-6523 (1270011196523) | |
| 1290-01-330-1595 (1290013301595) | 1270-00-313-9175 (1270003139175) | 1280-00-868-4875 (1280008684875) | 1290-01-546-6194 (1290015466194) | |
| 1290-01-416-9390 (1290014169390) | 1290-01-069-3391 (1290010693391) | 1270-00-019-7649 (1270000197649) | 1270-00-023-3389 (1270000233389) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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