| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-239-0643 (012390643) |
| NCB Code | USA (01) |
| Manufacturer | Huck International Inc, Alcoa Global Fasteners Inc, Fastener Innovation Technology Inc, Hi Shear Corporation, Reid Products Inc, Boeing Company The, Sps Technologies Inc, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| HT4020-4-17AY | huck international inc | screw shoulder | 97928 | RFQ |
| HT4020-4-17AY | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| 3M902C4-17A | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| 3M902C4-17A | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| HT4020-4-17AY | hi shear corporation | screw shoulder | 73197 | RFQ |
| 11879C4-17A | reid products inc | screw shoulder | 59563 | RFQ |
| 3M902C4-17A | boeing company the | screw shoulder | 76301 | RFQ |
| HT4020-4-17AY | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4020-4-17AY | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2802 INCHES MINIMUM FIRST SHOULDER AND 0.2807 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.052 INCHES MINIMUM FIRST SHOULDER AND 1.072 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | FURNISH WITH ONE O-RING |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-239-0643, 5305012390643 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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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