| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-420-5841 (004205841) |
| NCB Code | USA (00) |
| Manufacturer | Eaton Aerospace Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.187 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.425 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.294 INCHES MINIMUM AND 0.296 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.513 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.184 INCHES MINIMUM FIRST SHOULDER AND 0.186 INCHES MAXIMUM FIRST SHOULDER |
| AATN | SHOULDER DIAMETER | 0.294 INCHES MINIMUM SECOND SHOULDER AND 0.296 INCHES MAXIMUM SECOND SHOULDER |
| AATN | SHOULDER DIAMETER | 0.406 INCHES NOMINAL THIRD SHOULDER |
| AATX | SHOULDER LENGTH | 0.045 INCHES NOMINAL THIRD SHOULDER |
| AATX | SHOULDER LENGTH | 0.050 INCHES NOMINAL SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.095 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 36 |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| MATT | MATERIAL | STEEL COMP 630 OVERALL OR STEEL COMP 631 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5305-00-420-5841, 5305004205841 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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