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) | 01-178-9308 (011789308) |
| NCB Code | USA (01) |
| Manufacturer | Heartland Precision Fasteners In, Valley Todeco Inc, Lisi Aerospace Canada Corp, Twist Tite Mfg Inc, Alcoa Global Fasteners Inc, Fastener Innovation Technology Inc, Hi Shear Corporation, Houston Precision Fastener L L C, Nimikkeistokeskus Ncb Finland, Raytheon Company, Camcar Llc, Boeing Company The, Saturn Fasteners Inc, Reid Products Inc, West Coast Aerospace Inc, Sps Technologies Inc, Huck International Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-3-5 | heartland precision fasteners in | screw close tolerance | RFQ |
| ST3M557-3-5 | valley todeco inc | screw close tolerance | RFQ |
| HT4027-3-5 | lisi aerospace canada corp | screw close tolerance | RFQ |
| ST3M557-3-5 | twist tite mfg inc | screw close tolerance | RFQ |
| HT4027-3-5 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M557-3-5 | fastener innovation technology inc | screw close tolerance | RFQ |
| HT4027-3-5 | hi shear corporation | screw close tolerance | RFQ |
| ST3M557-3-5 | houston precision fastener l l c | screw close tolerance | RFQ |
| 10115551 | nimikkeistokeskus ncb finland | screw close tolerance | RFQ |
| 3929AS1227-3R5 | raytheon company | screw close tolerance | RFQ |
| ST3M557-3-5 | camcar llc | screw close tolerance | RFQ |
| ST3M557-3-5 | boeing company the | screw close tolerance | RFQ |
| ST3M557-3-5 | saturn fasteners inc | screw close tolerance | RFQ |
| 11923-3-5 | reid products inc | screw close tolerance | RFQ |
| ST3M557-3-5 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4027-3-5 | sps technologies inc | screw close tolerance | RFQ |
| HT4027-3-5 | huck international inc | screw close tolerance | RFQ |
| ST3M557-3-5 | sps technologies inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.702 INCHES MINIMUM AND 0.749 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-178-9308, 5305011789308 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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