| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-944-4270 (009444270) |
| NCB Code | USA (00) |
| Manufacturer | Transupport Inc, Triumph Engine Control Systems Llc, Goodrich Control Systems Gmbh |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.214 INCHES MINIMUM AND 0.258 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.249 INCHES MINIMUM FIRST SHOULDER AND 0.250 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.362 INCHES MINIMUM FIRST SHOULDER AND 0.386 INCHES MAXIMUM FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.038 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 42.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | UNDERCUT 0.220 IN. DIA,0.040 IN. LG |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-944-4270, 5305009444270 | ||||
| 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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