AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-371-7166 (013717166) |
| NCB Code | USA (01) |
| Manufacturer | Jergens Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.500 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.562 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.752 INCHES MINIMUM AND 0.757 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.243 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.373 INCHES MINIMUM FIRST SHOULDER AND 0.374 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.257 INCHES MINIMUM FIRST SHOULDER AND 0.257 INCHES MAXIMUM FIRST SHOULDER |
| AAUM | LOCKING FEATURE | PATCH THREADS |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM FASTENER AND 42.0 ROCKWELL C MAXIMUM FASTENER |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | OXIDE FASTENER |
| HUES | COLOR | BLACK FASTENER |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURESTEEL COMP 4140 FASTENER |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASK | HEAD STYLE | FLAT CHAMFER |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| Relevant Components for NSN - 5305-01-371-7166, 5305013717166 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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.
Request for Quote