| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-857-5520 (008575520) |
| NCB Code | USA (00) |
| Manufacturer | Roller Bearing Company Of America, Raytheon Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.190 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.940 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.160 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 0.750 INCHES MINIMUM FIRST SHOULDER AND 0.752 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COMP 303 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.310 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.186 INCHES MINIMUM FIRST SHOULDER AND 0.498 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-857-5520, 5305008575520 | ||||
| 5340-01-621-1479 (5340016211479) | 5365-00-381-4908 (5365003814908) | 5355-01-573-0404 (5355015730404) | 5330-01-580-7284 (5330015807284) | |
| 5305-01-282-1451 (5305012821451) | 5330-01-361-5513 (5330013615513) | 5340-00-611-7621 (5340006117621) | 5320-01-615-4000 (5320016154000) | |
| 5310-01-334-3643 (5310013343643) | 5330-01-327-5730 (5330013275730) | 5325-00-763-5757 (5325007635757) | 5340-01-576-0345 (5340015760345) | |
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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