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) | 01-027-4661 (010274661) |
| NCB Code | USA (01) |
| Manufacturer | Fastener Innovation Technology Inc, Houston Precision Fastener L L C, Sps Technologies Inc, West Coast Aerospace Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, Boeing Company The, Valley Todeco Inc, Reid Products Inc, Lisi Aerospace Canada Corp, Huck International Inc, Heartland Precision Fasteners In, Deutsch Co The |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M652C4-8A | fastener innovation technology inc | screw close tolerance | RFQ |
| ST3M652C4-8A | houston precision fastener l l c | screw close tolerance | RFQ |
| HT4020-4-8A | sps technologies inc | screw close tolerance | RFQ |
| WC4020-4-8A | west coast aerospace inc | screw close tolerance | RFQ |
| HT4020-4-8A | hi shear corporation | screw close tolerance | RFQ |
| CHT4020-4-8A | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M652C4-8A | boeing company the | screw close tolerance | RFQ |
| CHT4020-4-8A | sps technologies inc | screw close tolerance | RFQ |
| ST3M652C4-8A | valley todeco inc | screw close tolerance | RFQ |
| 11925C4-8A | reid products inc | screw close tolerance | RFQ |
| HT4020-4-8A | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4020-4-8A | lisi aerospace canada corp | screw close tolerance | RFQ |
| HT4020-4-8A | huck international inc | screw close tolerance | RFQ |
| ST3M652C4-8A | heartland precision fasteners in | screw close tolerance | RFQ |
| CHT4020-4-8A | deutsch co the | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.952 INCHES MINIMUM AND 0.999 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| FEAT | SPECIAL FEATURES | FURNISHED WITH ONE O-RING |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-027-4661, 5305010274661 | ||||
| 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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