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) | 01-521-8956 (015218956) |
| NCB Code | USA (01) |
| Manufacturer | Linread Canada Ltd, Alcoa Global Fasteners Inc, Sps Technologies Inc, Reid Products Inc, Lisi Aerospace Canada Corp, Camcar Llc, Valley Todeco Inc, Hi Shear Corporation, Fastener Innovation Technology Inc, Houston Precision Fastener L L C, West Coast Aerospace Inc, Twist Tite Mfg Inc, Sangamo Weston Inc, Saturn Fasteners Inc, Heartland Precision Fasteners In, Boeing Company The |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-5-16 | linread canada ltd | screw close tolerance | RFQ |
| HT4027-5-16 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4027-5-16 | sps technologies inc | screw close tolerance | RFQ |
| 11923-5-16 | reid products inc | screw close tolerance | RFQ |
| HT4027-5-16 | lisi aerospace canada corp | screw close tolerance | RFQ |
| ST3M557-5-16 | camcar llc | screw close tolerance | RFQ |
| ST3M557-5-16 | valley todeco inc | screw close tolerance | RFQ |
| HT4027-5-16 | hi shear corporation | screw close tolerance | RFQ |
| ST3M557-5-16 | fastener innovation technology inc | screw close tolerance | RFQ |
| ST3M557-5-16 | houston precision fastener l l c | screw close tolerance | RFQ |
| ST3M557-5-16 | west coast aerospace inc | screw close tolerance | RFQ |
| ST3M557-5-16 | twist tite mfg inc | screw close tolerance | RFQ |
| WC4027-5-16 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4027-5-16 | sangamo weston inc | screw close tolerance | RFQ |
| ST3M557-5-16 | saturn fasteners inc | screw close tolerance | RFQ |
| ST3M557-5-16 | heartland precision fasteners in | screw close tolerance | RFQ |
| ST3M557-5-16 | boeing company the | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.531 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.516 INCHES MINIMUM AND 1.546 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.477 INCHES NOMINAL |
| AAUR | GRIP DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| ANEE | GRIP LENGTH | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5662 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-521-8956, 5305015218956 | ||||
| 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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