| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-723-4437 (007234437) |
| NCB Code | USA (00) |
| Manufacturer | L 3 Communications Corporation, Raytheon Technical Services Company |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.144 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.234 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.172 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.030 INCHES NOMINAL |
| AATX | SHOULDER LENGTH | 0.090 INCHES NOMINAL FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.099 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| CQFM | HARDNESS RATING | 61.7 ROCKWELL B MINIMUM OVERALL AND 90.7 ROCKWELL B MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AATN | SHOULDER DIAMETER | 0.125 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| MATT | MATERIAL | STEEL COMP 303 OVERALL OR STEEL COMP 303 PLUS X OVERALL OR STEEL COMP 303SE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Components Related to NSN - 5305-00-723-4437, 5305007234437 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
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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