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) | 01-536-4449 (015364449) |
| NCB Code | USA (01) |
| Manufacturer | West Coast Aerospace Inc, Saturn Fasteners Inc, Reid Products Inc, Alcoa Global Fasteners Inc, Lisi Aerospace Canada Corp, Heartland Precision Fasteners In, Huck International Inc, Sps Technologies Inc, B And B Specialties Inc, Hi Shear Corporation, Fastener Innovation Technology Inc, Camcar Llc, Valley Todeco Inc, Houston Precision Fastener L L C, Boeing Company The |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| WC1278E4D8A | west coast aerospace inc | screw shoulder | RFQ |
| 3M1278E4D8A | saturn fasteners inc | screw shoulder | RFQ |
| 11863E4D8A | reid products inc | screw shoulder | RFQ |
| TX1027E4D8YA | alcoa global fasteners inc | screw shoulder | RFQ |
| TX1027E4D8YA | lisi aerospace canada corp | screw shoulder | RFQ |
| 3M1278E4D8A | heartland precision fasteners in | screw shoulder | RFQ |
| TX1027E4D8YA | huck international inc | screw shoulder | RFQ |
| TX1027E4D8YA | sps technologies inc | screw shoulder | RFQ |
| 3M1278E4D8A | b and b specialties inc | screw shoulder | RFQ |
| TX1027E4D8YA | hi shear corporation | screw shoulder | RFQ |
| 3M1278E4D8A | fastener innovation technology inc | screw shoulder | RFQ |
| 3M1278E4D8A | camcar llc | screw shoulder | RFQ |
| 3M1278E4D8A | valley todeco inc | screw shoulder | RFQ |
| 3M1278E4D8A | houston precision fastener l l c | screw shoulder | RFQ |
| 3M1278E4D8A | boeing company the | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.425 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.9100 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.388 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2802 INCHES MINIMUM GRIP AND 0.2807 INCHES MAXIMUM GRIP |
| AATX | SHOULDER LENGTH | 0.4400 INCHES NOMINAL GRIP |
| AAUB | HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM |
| AAUH | SPLINE MINOR DIAMETER | 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORX |
| AGAV | END ITEM IDENTIFICATION | F/A 18 E/F AIRCRAFT |
| AHYM | NOMINAL THREAD DIAMETER | 0.2500 INCHES |
| ASXK | HOLE QUANTITY | 1 |
| BQDM | HOLE TYPE | DRILLED |
| CBBL | FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | AGAV |
| CWYB | SHOULDER SHAPE | ROUND GRIP |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | EDDIE BOLT AIRCRAFT |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-L-87132 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-536-4449, 5305015364449 | ||||
| 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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