| Item Name | Retainer Optical El |
| Federal Supply Group (FSG) | Fire Control Equipment |
| Federal Supply Class (FSC) | 1240 Optical Sighting And Ranging Equipment |
| National Item Identification Number (NIIN) | 00-853-3577 (008533577) |
| NCB Code | USA (00) |
| Manufacturer | Bourns Instruments Inc, Recon Optical Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 4.250 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 0.187 INCHES NOMINAL |
| ABME | RECESS ANGLE IN DEG | 45.0 |
| ABMH | RECESS DEPTH | 0.040 INCHES NOMINAL |
| MATL | MATERIAL | ALUMINUM |
| STYL | STYLE DESIGNATOR | RECESSED |
| BMTT | SETSCREW NOTCH | PROVIDED |
| Components Related to NSN - 1240-00-853-3577, 1240008533577 | ||||
| 1290-01-525-1366 (1290015251366) | 1240-00-171-4169 (1240001714169) | 1220-01-029-3593 (1220010293593) | 1270-00-854-5386 (1270008545386) | |
| 1220-00-142-6041 (1220001426041) | 1220-00-791-5656 (1220007915656) | 1270-00-917-1517 (1270009171517) | 1290-00-870-1440 (1290008701440) | |
| 1240-01-538-6884 (1240015386884) | 1270-00-093-4152 (1270000934152) | 1290-00-580-4441 (1290005804441) | 1220-00-152-3622 (1220001523622) | |
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