| Item Name | Retainer Optical Element |
| INC Code | 22451 |
| Federal Supply Group (FSG) | Fire Control Equipment |
| Federal Supply Class (FSC) | 1240 Optical Sighting And Ranging Equipment |
| National Item Identification Number (NIIN) | 00-517-8640 (005178640) |
| NCB Code | USA (00) |
| Manufacturer | Beta Engineering Inc, Delta X Corp, Freehold Manufacturing Assembly Co, Macko Industries |
| Associated Parts Numbers of NSN 1240-00-517-8640 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| 5178640 | beta engineering inc | retainer optical element | 33436 | A | A | RFQ |
| 5178640 | delta x corp | retainer optical element | 33950 | A | R | RFQ |
| 5178640 | freehold manufacturing assembly co | retainer optical el | 2s308 | A | A | RFQ |
| 5178640 | macko industries | retainer optical el | 1cn43 | F | A | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | Overall Length | 0.100 INCHES NOMINAL |
| AATX | Shoulder Length | 0.062 INCHES NOMINAL |
| AATN | Shoulder Diameter | 0.562 INCHES NOMINAL |
| BMTT | Setscrew Notch | NOT PROVIDED |
| BMTQ | Guide Design | THREAD CHAMFER |
| BMTS | Internal Annular Serration | PROVIDED |
| STYL | Style Designator | SHOULDERED |
| MRC | Decoded Requirement | Clear Text Reply |
| MATT | Material | COPPER ALLOY 360 |
| ABKK | Flange Diameter | 0.625 INCHES NOMINAL |
| AGAV | End Item Identification | USED 1015-00-322-9752 |
| MDCL | Material Document And Classification | QQ-B-626, COMP 360 FED SPEC SINGLE MATERIAL RESPONSE |
| Relevant Components for NSN - 1240-00-517-8640, 1240005178640 | ||||
| 1240-00-382-1631 (1240003821631) | 1240-01-613-3001 (1240016133001) | 1240-01-275-0099 (1240012750099) | 1240-00-989-3555 (1240009893555) | |
| 1240-00-382-4710 (1240003824710) | 1240-01-622-6368 (1240016226368) | 1240-00-003-8406 (1240000038406) | 1240-01-086-5245 (1240010865245) | |
| 1240-01-618-7781 (1240016187781) | 1240-01-309-9289 (1240013099289) | 1240-01-217-2365 (1240012172365) | 1240-00-026-8140 (1240000268140) | |
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