| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-227-1399 (002271399) |
| NCB Code | USA (00) |
| Manufacturer | Sps Technologies Inc, Alcoa Global Fasteners Inc, Hi Shear Corporation, Boeing Company The, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 55979-5-11 | sps technologies inc | screw shoulder | 56878 | RFQ |
| HT1030-5-11 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| HT52N11 | hi shear corporation | screw shoulder | 73197 | RFQ |
| 3M218-5-11 | boeing company the | screw shoulder | 76301 | RFQ |
| HT52N11 | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.505 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.203 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.342 INCHES MINIMUM AND 0.343 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.556 INCHES MINIMUM AND 0.578 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-227-1399, 5305002271399 | ||||
| 5315-01-392-6539 (5315013926539) | 5305-00-370-0922 (5305003700922) | 5330-00-108-1053 (5330001081053) | 5305-00-282-3260 (5305002823260) | |
| 5310-00-825-0783 (5310008250783) | 5365-01-200-6930 (5365012006930) | 5340-01-352-9365 (5340013529365) | 5330-01-231-5219 (5330012315219) | |
| 5331-01-452-9668 (5331014529668) | 5305-00-151-8683 (5305001518683) | 5320-00-323-6041 (5320003236041) | 5330-00-516-3829 (5330005163829) | |
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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