| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-170-1348 (011701348) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, The Boeing Company |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| BACB30LL4-15X | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| BACB30LL4-15X | hi shear corporation | screw shoulder | 73197 | RFQ |
| BACB30LL4-15X | huck international inc | screw shoulder | 97928 | RFQ |
| BACB30LL4-15X | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| BACB30LL4-15X | sps technologies inc | screw shoulder | 56878 | RFQ |
| BACB30LL4-15X | the boeing company | screw shoulder | 82918 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.516 INCHES MINIMUM AND 0.566 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.464 INCHES MINIMUM AND 1.494 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.688 INCHES MINIMUM AND 0.756 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2641 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.825 INCHES MINIMUM FIRST SHOULDER AND 0.845 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-170-1348, 5305011701348 | ||||
| 5305-01-187-9545 (5305011879545) | 5310-01-195-7885 (5310011957885) | 5325-01-626-6006 (5325016266006) | 5340-01-195-4720 (5340011954720) | |
| 5320-01-582-5694 (5320015825694) | 5331-00-651-4505 (5331006514505) | 5305-01-190-2186 (5305011902186) | 5330-00-831-6692 (5330008316692) | |
| 5307-00-533-9940 (5307005339940) | 5365-01-426-3812 (5365014263812) | 5360-01-650-4056 (5360016504056) | 5305-01-710-8488 (5305017108488) | |
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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