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) | 01-487-6866 (014876866) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Ionics Ultrapure Water Corp, Heartland Precision Fasteners In, Camcar Llc, Valley Todeco Inc, Alcoa Global Fasteners Inc, Sps Technologies Inc, Huck International Inc, Fastener Innovation Technology Inc, Macjewel Tool Development Inc, Twist Tite Mfg Inc, West Coast Aerospace Inc, Hi Shear Corporation, Linread Canada Ltd, Saturn Fasteners Inc, Swift Electric Welder Co |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-4-12 | boeing company the | screw close tolerance | RFQ |
| ST3M557-4-12 | ionics ultrapure water corp | screw close tolerance | RFQ |
| ST3M557-4-12 | heartland precision fasteners in | screw close tolerance | RFQ |
| ST3M557-4-12 | camcar llc | screw close tolerance | RFQ |
| ST3M557-4-12 | valley todeco inc | screw close tolerance | RFQ |
| HT4027-4-12 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4027-4-12 | sps technologies inc | screw close tolerance | RFQ |
| HT4027-4-12 | huck international inc | screw close tolerance | RFQ |
| ST3M557-4-12 | fastener innovation technology inc | screw close tolerance | RFQ |
| 11923-4-12 | macjewel tool development inc | screw close tolerance | RFQ |
| ST3M557-4-12 | twist tite mfg inc | screw close tolerance | RFQ |
| ST3M557-4-12 | sps technologies inc | screw close tolerance | RFQ |
| WC4027-4-12 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4027-4-12 | hi shear corporation | screw close tolerance | RFQ |
| ST3M557-4-12 | linread canada ltd | screw close tolerance | RFQ |
| ST3M557-4-12 | saturn fasteners inc | screw close tolerance | RFQ |
| ST3M557-4-12 | swift electric welder co | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-487-6866, 5305014876866 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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