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) | 01-102-5532 (011025532) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Alcoa Global Fasteners Inc, Sps Technologies Inc, Hi Shear Corporation, Twist Tite Mfg Inc, West Coast Aerospace Inc, Huck International Inc, Fastener Innovation Technology Inc, Plastic Sealing Corp, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M733-4-8 | boeing company the | screw close tolerance | RFQ |
| ST3M733-4L8 | boeing company the | screw close tolerance | RFQ |
| HT4057-4-8 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4057-4-8A | sps technologies inc | screw close tolerance | RFQ |
| HT4057-4-8 | hi shear corporation | screw close tolerance | RFQ |
| ST3M733-4L8 | twist tite mfg inc | screw close tolerance | RFQ |
| HT4057-4-8A | west coast aerospace inc | screw close tolerance | RFQ |
| HT4057-4-8A | huck international inc | screw close tolerance | RFQ |
| WC4057-4-8 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4057-4-8A | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4057-4-8 | sps technologies inc | screw close tolerance | RFQ |
| HT4057-4-8A | hi shear corporation | screw close tolerance | RFQ |
| HT4057-4-8A | fastener innovation technology inc | screw close tolerance | RFQ |
| ST3M733-4L8 | plastic sealing corp | screw close tolerance | RFQ |
| HT4057-4-8A | lisi aerospace canada corp | screw close tolerance | RFQ |
| CHT4057-4-8 | alcoa global fasteners inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.954 INCHES MINIMUM AND 0.984 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 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 | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FEAT | SPECIAL FEATURES | CETYL ALCOHOL LUBRICATION |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | ALUMINUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-102-5532, 5305011025532 | ||||
| 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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