| 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 | Hi Shear Corporation, Lisi Aerospace Canada Corp, Sps Technologies Inc, Alcoa Global Fasteners Inc, Boeing Company The, Fastener Innovation Technology Inc, Twist Tite Mfg Inc, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| HT4027-4-2 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4027-4-2 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4027-4-2 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| HT4027-4-2 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| ST3M557 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-4-2 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| ST3M557-4-2 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-4-2 | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| WC4027-4-2 | west coast aerospace inc | screw close tolerance | 60516 | 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 |
| Components Related to NSN - 5305-01-517-1403, 5305015171403 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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