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) | 01-517-1403 (015171403) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, Sps Technologies Inc, Twist Tite Mfg Inc, Hi Shear Corporation, West Coast Aerospace Inc, Boeing Company The, Lisi Aerospace Canada Corp, Fastener Innovation Technology Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT4027-4-2 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4027-4-2 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557-4-2 | twist tite mfg inc | screw close tolerance | RFQ |
| HT4027-4-2 | hi shear corporation | screw close tolerance | RFQ |
| WC4027-4-2 | west coast aerospace inc | screw close tolerance | RFQ |
| ST3M557 | boeing company the | screw close tolerance | RFQ |
| HT4027-4-2 | lisi aerospace canada corp | screw close tolerance | RFQ |
| ST3M557-4-2 | fastener innovation technology inc | screw close tolerance | RFQ |
| ST3M557-4-2 | boeing company the | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLP | Thread Quantity Per Inch | 28 |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 0.570 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| AASK | Head Style | OVAL COUNTERSUNK |
| ABQZ | Internal Drive Style | HIGH-TORQUE |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| ANEE | Grip Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| AAJF | Thread Direction | RIGHT-HAND |
| AASL | Head Diameter | 0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM |
| AASA | Thread Length | 0.469 INCHES NOMINAL |
| AGAV | End Item Identification | FUSELAGE |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| MATT | Material | NICKEL ALLOY 718 OVERALL |
| AAUR | Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| THSD | Thread Series Designator | UNJF |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| STDC | Surface Treatment Document And Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD | Thread Class | 3A |
| MDCL | Material Document And Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-517-1403, 5305015171403 | ||||
| 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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