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) | 01-591-1409 (015911409) |
| NCB Code | USA (01) |
| Manufacturer | Heartland Precision Fasteners In, Camcar Llc, Boeing Company The, Reid Products Inc, Houston Precision Fastener L L C, Alcoa Global Fasteners Inc, Farbest Corp, Saturn Fasteners Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Valley Todeco Inc, Linread Canada Ltd, Huck International Inc, Hi Shear Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-6-23 | heartland precision fasteners in | screw close tolerance | RFQ |
| ST3M557-6-23 | camcar llc | screw close tolerance | RFQ |
| ST3M557-6-23 | boeing company the | screw close tolerance | RFQ |
| 11923-6-23 | reid products inc | 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 |
| WC4027-6-23 | farbest corp | screw close tolerance | RFQ |
| ST3M557-6-23 | saturn fasteners inc | screw close tolerance | RFQ |
| HT4027-6-23 | lisi aerospace canada 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 | linread canada ltd | screw close tolerance | RFQ |
| HT4027-6-23 | huck international inc | screw close tolerance | RFQ |
| HT4027-6-23 | hi shear corporation | 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 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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