| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-372-2320 (013722320) |
| NCB Code | USA (01) |
| Manufacturer | Gaither Tool Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.750 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQBC | MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J412 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.750 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.312 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | 1.625 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.437 INCHES NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AATX | SHOULDER LENGTH | 0.875 INCHES NOMINAL FIRST SHOULDER |
| Components Related to NSN - 5305-01-372-2320, 5305013722320 | ||||
| 5320-01-625-8117 (5320016258117) | 5305-01-643-3347 (5305016433347) | 5365-01-122-8885 (5365011228885) | 5330-01-382-8170 (5330013828170) | |
| 5360-00-551-6874 (5360005516874) | 5306-01-044-5191 (5306010445191) | 5365-00-888-2513 (5365008882513) | 5305-00-282-0282 (5305002820282) | |
| 5310-01-201-3707 (5310012013707) | 5310-00-814-4076 (5310008144076) | 5342-00-200-5894 (5342002005894) | 5310-01-068-8899 (5310010688899) | |
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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