| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-521-9549 (015219549) |
| NCB Code | USA (01) |
| Manufacturer | Heartland Precision Fasteners In, Reid Products Inc, Sps Technologies Inc, Fastener Innovation Technology Inc, Hi Shear Corporation, Valley Todeco Inc, Boeing Company The, Alcoa Global Fasteners Inc, West Coast Aerospace Inc, Twist Tite Mfg Inc, Camcar Llc, Linread Canada Ltd, Houston Precision Fastener L L C, Saturn Fasteners Inc, Huck International Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M557-3-20 | heartland precision fasteners in | screw close tolerance | 0zc92 | RFQ |
| 11923-3-20 | reid products inc | screw close tolerance | 59563 | RFQ |
| ST3M557-3-20 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| ST3M557-3-20 | fastener innovation technology inc | screw close tolerance | 58998 | RFQ |
| ST3M557-3-20 | hi shear corporation | screw close tolerance | 73197 | RFQ |
| ST3M557-3-20 | valley todeco inc | screw close tolerance | 06710 | RFQ |
| ST3M557 | boeing company the | screw close tolerance | 76301 | RFQ |
| HT4027-3-20 | sps technologies inc | screw close tolerance | 56878 | RFQ |
| HT4027-3-20 | alcoa global fasteners inc | screw close tolerance | 06950 | RFQ |
| ST3M557-3-20 | west coast aerospace inc | screw close tolerance | 60516 | RFQ |
| ST3M557-3-20 | twist tite mfg inc | screw close tolerance | 007r1 | RFQ |
| ST3M557-3-20 | camcar llc | screw close tolerance | 4wl75 | RFQ |
| ST3M557-3-20 | boeing company the | screw close tolerance | 76301 | RFQ |
| ST3M557-3-20 | linread canada ltd | screw close tolerance | u6683 | RFQ |
| ST3M557-3-20 | reid products inc | screw close tolerance | 59563 | RFQ |
| ST3M557-3-20 | houston precision fastener l l c | screw close tolerance | 1vsl7 | RFQ |
| ST3M557-3-20 | saturn fasteners inc | screw close tolerance | 0k6z0 | RFQ |
| ST3M557-3-20 | huck international inc | screw close tolerance | 17446 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.406 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.531 INCHES NOMINAL |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AGAV | END ITEM IDENTIFICATION | FUSELAGE |
| 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 MINIMUM AND 101.0 DEGREES MAXIMUM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW-CLOSE TOLERANCE, 100 DEGREE COUNTERSUNK,REDUCED HEAD, HI-TORQUE,NONMAGNETIC CRES (125 KSI FSU) |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-521-9549, 5305015219549 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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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