AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-209-9372 (012099372) |
| NCB Code | USA (01) |
| Manufacturer | Fastener Innovation Technology Inc, Sps Technologies Inc, West Coast Aerospace Inc, Huck International Inc, Boeing Company The, Alcoa Global Fasteners Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp, Reid Products Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M495-4-20-1 | fastener innovation technology inc | screw shoulder | RFQ |
| HT4016-4-20X | sps technologies inc | screw shoulder | RFQ |
| ST3M495-4-20-1 | west coast aerospace inc | screw shoulder | RFQ |
| HT4016-4-20X | huck international inc | screw shoulder | RFQ |
| ST3M495-4-20-1 | boeing company the | screw shoulder | RFQ |
| HT4016-4-20X | alcoa global fasteners inc | screw shoulder | RFQ |
| ST3M495-4-20-1 | alcoa global fasteners inc | screw shoulder | RFQ |
| ST3M495-4-20-1 | huck international inc | screw shoulder | RFQ |
| HT4016-4-20X | hi shear corporation | screw shoulder | RFQ |
| HT4016-4-20X | lisi aerospace canada corp | screw shoulder | RFQ |
| 11911-4-20-1 | reid products inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.372 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.632 INCHES MINIMUM AND 1.662 INCHES MAXIMUM |
| AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.183 INCHES MINIMUM AND 1.211 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 | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | HEX HOLE IN THREADED END 0.095 MIN AND 0.097 MAX |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-209-9372, 5305012099372 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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