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) | 01-521-9172 (015219172) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, Sps Technologies Inc, Boeing Company The, Fastener Innovation Technology Inc, Twist Tite Mfg Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT4027-5-5 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4027-5-5 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557 | boeing company the | screw close tolerance | RFQ |
| ST3M557-5-5 | boeing company the | screw close tolerance | RFQ |
| ST3M557-5-5 | fastener innovation technology inc | screw close tolerance | RFQ |
| ST3M557-5-5 | twist tite mfg inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLP | Thread Quantity Per Inch | 24 |
| AASK | Head Style | FLAT COUNTERSUNK |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 0.828 INCHES MINIMUM AND 0.858 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | HIGH-TORQUE |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| ANEE | Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AASL | Head Diameter | 0.477 INCHES NOMINAL |
| AGAV | End Item Identification | FWD FUSELAGE |
| AASA | Thread Length | 0.531 INCHES NOMINAL |
| MATT | Material | NICKEL ALLOY 718 OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| THSD | Thread Series Designator | UNJF |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAUR | Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| STDC | Surface Treatment Document And Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | Material Document And Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD | Thread Class | 3A |
| Relevant Components for NSN - 5305-01-521-9172, 5305015219172 | ||||
| 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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