| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-591-1409 (015911409) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Heartland Precision Fasteners In, Lisi Aerospace Canada Corp, Linread Canada Ltd, Saturn Fasteners Inc, Hi Shear Corporation, Huck International Inc, Reid Products Inc, Farbest Corp, Sps Technologies Inc, Valley Todeco Inc, Camcar Llc, Houston Precision Fastener L L C, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-6-23 | boeing company the | screw close tolerance | RFQ |
| ST3M557-6-23 | heartland precision fasteners in | screw close tolerance | RFQ |
| HT4027-6-23 | lisi aerospace canada corp | screw close tolerance | RFQ |
| ST3M557-6-23 | linread canada ltd | screw close tolerance | RFQ |
| ST3M557-6-23 | saturn fasteners inc | screw close tolerance | RFQ |
| HT4027-6-23 | hi shear corporation | screw close tolerance | RFQ |
| HT4027-6-23 | huck international inc | screw close tolerance | RFQ |
| 11923-6-23 | reid products inc | screw close tolerance | RFQ |
| WC4027-6-23 | farbest corp | screw close tolerance | RFQ |
| HT4027-6-23 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557-6-23 | valley todeco inc | screw close tolerance | RFQ |
| ST3M557-6-23 | camcar llc | screw close tolerance | RFQ |
| ST3M557-6-23 | houston precision fastener l l c | screw close tolerance | RFQ |
| HT4027-6-23 | alcoa global fasteners 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 | 2.064 INCHES MINIMUM AND 2.094 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 |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ANEE | GRIP LENGTH | 1.428 NOMINAL MILS AND 1.448 NOMINAL CENTIMETERS |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEG COUNTERSUNK, 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 | MAS 2700 METHOD 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-591-1409, 5305015911409 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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