| Item Name | Nut Plain Castellated Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-176-8196 (001768196) |
| NCB Code | USA (00) |
| Manufacturer | Lucas Aerospace Ltd, Safran Power Usa Llc, Carleton Life Support Technologies, Honeywell International Inc, Aeronautical Standards Group |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 206-3 | lucas aerospace ltd | nut plain castellated hexagon | 31435 | RFQ |
| 206-3 | safran power usa llc | nut plain castellated hexagon | 3cpe0 | RFQ |
| 39750 | carleton life support technologies | nut plain castellated hexagon | 99251 | RFQ |
| 39750 | honeywell international inc | nut plain castellated hexagon | 19315 | RFQ |
| AN355-4 | aeronautical standards group | nut plain castellated hexagon | 88044 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | CASTELLATED,HEXAGON |
| ADEA | NUT HEIGHT | 0.281 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 68.0 ROCKWELL B MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.250 INCHES |
| CRSQ | COUNTERSINK ANGLE | 110.0 DEGREES NOMINAL NUT |
| CRTM | BEARING SURFACE TYPE | WASHER FACED |
| 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 |
| Components Related to NSN - 5310-00-176-8196, 5310001768196 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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