| 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) | 01-050-4810 (010504810) |
| NCB Code | USA (01) |
| Manufacturer | Recon Optical Inc, Drs Sustainment Systems Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| BPNG | SHOULDER THREAD SIZE | 4.000IN.-6 |
| SR-5 | THE MANUFACTURERS DATA | |
| AKCV | DRIVE TYPE | DRILLED HOLE |
| SR-5 | DESIGN CONTROL REFERENCE | 12266637 |
| AATX | SHOULDER LENGTH | 1.034 INCHES NOMINAL |
| AAUB | HOLE DIAMETER | 3.490 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 1.484 INCHES NOMINAL |
| SR-5 | MANUFACTURERS CODE | 19207 |
| ABKK | FLANGE DIAMETER | 4.930 INCHES NOMINAL |
| ABKT | HOLE OR SLOT QUANTITY | 8 |
| MATL | MATERIAL | ALUMINUM ALLOY, 6061 |
| ABMZ | DIAMETER | 0.147 INCHES NOMINAL |
| AEJZ | DEPTH | 0.150 INCHES NOMINAL |
| STYL | STYLE DESIGNATOR | SHOULDERED |
| BMTN | DRIVE FACILITY ANGULAR SPACING IN DEG | 45.0 |
| BMTQ | GUIDE DESIGN | THREAD CHAMFER |
| BMTR | GUIDE LOCATION | DRIVE EDGE |
| BMTS | INTERNAL ANNULAR SERRATION | NOT PROVIDED |
| BMTT | SETSCREW NOTCH | NOT PROVIDED |
| SURF | SURFACE TREATMENT | ANODIZED |
| Relevant Components for NSN - 1240-01-050-4810, 1240010504810 | ||||
| 1270-00-437-6155 (1270004376155) | 1285-00-381-9850 (1285003819850) | 1280-00-319-9704 (1280003199704) | 1270-00-918-0514 (1270009180514) | |
| 1290-00-701-8383 (1290007018383) | 1240-01-170-0860 (1240011700860) | 1280-00-689-7066 (1280006897066) | 1240-01-571-9477 (1240015719477) | |
| 1285-00-593-8347 (1285005938347) | 1265-00-382-2688 (1265003822688) | 1270-00-126-6485 (1270001266485) | 1290-01-521-1096 (1290015211096) | |
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