AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-591-0368 (015910368) |
| NCB Code | USA (01) |
| Manufacturer | Houston Precision Fastener L L C, West Coast Aerospace Inc, Sps Technologies Inc, Huck International Inc, Alcoa Global Fasteners Inc, Saturn Fasteners Inc, Boeing Company The, Linread Canada Ltd, Hi Shear Corporation, Lisi Aerospace Canada Corp, Reid Products Inc, Heartland Precision Fasteners In, Camcar Llc, Valley Todeco Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-6-6 | houston precision fastener l l c | screw close tolerance | RFQ |
| WC4027-6-6 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4027-6-6 | sps technologies inc | screw close tolerance | RFQ |
| HT4027-6-6 | huck international inc | screw close tolerance | RFQ |
| HT4027-6-6 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M557-6-6 | saturn fasteners inc | screw close tolerance | RFQ |
| ST3M557-6-6 | boeing company the | screw close tolerance | RFQ |
| ST3M557-6-6 | linread canada ltd | screw close tolerance | RFQ |
| HT4027-6-6 | hi shear corporation | screw close tolerance | RFQ |
| HT4027-6-6 | lisi aerospace canada corp | screw close tolerance | RFQ |
| 11923-6-6 | reid products inc | screw close tolerance | RFQ |
| ST3M557-6-6 | heartland precision fasteners in | screw close tolerance | RFQ |
| ST3M557-6-6 | camcar llc | screw close tolerance | RFQ |
| ST3M557-6-6 | valley todeco inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.641 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM |
| AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.018 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.374 NOMINAL MILS AND 0.375 NOMINAL CENTIMETERS |
| AAUY | POINT LENGTH | 0.052 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ANEE | GRIP LENGTH | 0.375 NOMINAL INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWDK | POINT CHAMFER ANGLE | 45.0 MAXIMUM OF STANDARD RANGE SINGLE TREATMENT RESPONSE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEG COUTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FSU) |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-591-0368, 5305015910368 | ||||
| 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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