| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-521-9590 (015219590) |
| NCB Code | USA (01) |
| Manufacturer | Sps Technologies Inc, Alcoa Global Fasteners Inc, Boeing Company The, Hi Shear Corporation, Lisi Aerospace Canada Corp, Twist Tite Mfg Inc, West Coast Aerospace Inc, Fastener Innovation Technology Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| HT4027-3-18 | sps technologies inc | screw close tolerance | 56878 | RFQ |
| HT4027-3-18 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| ST3M557 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-3-18 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M557-3-18 | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| ST3M557-3-18 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| ST3M557-3-18 | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| ST3M557-3-18 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| ST3M557-3-18 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-3-18 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| ST3M557-3-18 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.313 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.531 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.293 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
| AAUJ | SPLINE MAJOR DIAMETER | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORX |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 1.125 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES NOMINAL AND 101.0 DEGREES MAXIMUM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,100 DEGREE REDUCED HEAD,GEARDRIVE RECESS-SPECIAL THREAD LENGTH INCONCEL 718 (125 KSI SHEAR) |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BPS-F-69 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-521-9590, 5305015219590 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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