| Item Name | Nut Plain Round |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-531-9577 (005319577) |
| NCB Code | USA (00) |
| Manufacturer | National Electrical Mfrs Assn, Department Of The Air Force |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NEMA WC27500 | national electrical mfrs assn | nut plain round | RFQ |
| 54A21927 | department of the air force | nut plain round | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | ROUND |
| ACTD | NUT DIAMETER | 2.484 INCHES MINIMUM AND 2.516 INCHES MAXIMUM |
| ADBG | NUT THICKNESS | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UN |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | 1.750 INCHES |
| CRSQ | COUNTERSINK ANGLE | 109.0 DEGREES MINIMUM NUT AND 111.0 DEGREES MAXIMUM NUT |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-531-9577, 5310005319577 | ||||
| 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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