| Item Name | Standoff Threaded Spacing |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5340 Hardware Commercial |
| National Item Identification Number (NIIN) | 01-257-0590 (012570590) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com, Standard Insert Co Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1831C3B21 | national aerospace standards com | standoff threaded spacing | RFQ |
| 70547-6CH | standard insert co inc | standoff threaded spacing | RFQ |
| NAS1786C04-2 | national aerospace standards com | standoff threaded spacing | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABRY | LENGTH | 1.308 INCHES MINIMUM AND 1.318 INCHES MAXIMUM |
| ANLR | CROSS-SECTIONAL SHAPE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.184 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| ZZZK | SPECIFICATION/STANDARD DATA | 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5340-01-257-0590, 5340012570590 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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