| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-143-4084 (011434084) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Sps Technologies Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp, Bowe Bell And Howell Co, Fastener Innovation Technology Inc, Huck International Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M653C5-12A | boeing company the | screw shoulder | 76301 | RFQ |
| HT4020-5-12AX | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4020-5-12AX | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4020-5-12AX | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| ST3M653C5-12A | bowe bell and howell co | screw shoulder | 60518 | RFQ |
| ST3M653C5-12A | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| HT4020-5-12AX | huck international inc | screw shoulder | 97928 | RFQ |
| HT4020-5-12AX | alcoa global fasteners inc | screw shoulder | 92215 | 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 | 1.265 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.629 INCHES MINIMUM AND 0.634 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.082 INCHES MINIMUM AND 0.084 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.3271 INCHES MINIMUM FIRST SHOULDER AND 0.3276 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.656 INCHES MINIMUM FIRST SHOULDER AND 0.678 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | FURNISHED WITH ONE RUBBER O RING |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-143-4084, 5305011434084 | ||||
| 5330-00-037-6893 (5330000376893) | 5307-00-803-5029 (5307008035029) | 5306-00-638-8373 (5306006388373) | 5330-01-185-7225 (5330011857225) | |
| 5365-00-089-1699 (5365000891699) | 5331-01-025-7783 (5331010257783) | 5330-01-362-7880 (5330013627880) | 5307-01-286-8388 (5307012868388) | |
| 5340-01-407-7865 (5340014077865) | 5340-01-609-2404 (5340016092404) | 5330-01-167-2303 (5330011672303) | 5340-01-145-4055 (5340011454055) | |
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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