| 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) | 00-382-1029 (003821029) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed, Getronics Government Solutions Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABVL | Aperture Diameter | 1.820 INCHES NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| ABKV | Outside Diameter | 2.350 INCHES NOMINAL |
| ABHP | Overall Length | 0.220 INCHES NOMINAL |
| AAJF | Thread Direction | RIGHT-HAND |
| MATT | Material | COPPER ALLOY |
| ABUJ | Thread Size | 1 13/16-48 |
| AAJE | Thread Pitch Diameters | +1.7899 TO 1.7990 INCHES |
| AAJD | Thread Class | 3B |
| BMTL | Internal Flange Thickness | 0.030 INCHES NOMINAL |
| AJYP | Screw Thread Series Designator | UNS |
| AGAV | End Item Identification | TELESCOPE MK74 |
| APJC | Thread Location | INTERNAL |
| ABET | Thread Length | 0.120 INCHES |
| Relevant Components for NSN - 1240-00-382-1029, 1240003821029 | ||||
| 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) | |
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