AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
Thank you for taking an interest in the top-caliber NSN products we feature here on AI NSN Parts. On this page, you can submit a quote request for part number ST3M557-4-21, a Screw Close Tolerance item that is manufactured by Fastener Innovation Technology Inc. Listed alongside the NSN 5305015910047 within our database, part number ST3M557-4-21 is conveniently ready for purchase at any time.
To ensure listings like part number ST3M557-4-21 are ready for swift installation, we have a rigorous quality assurance program in place. As such, we make it easy for you to inquire about popular NSNs like 5305-01-591-0047, as well as the many other Fastener Innovation Technology Inc products produced under CAGE Code 58998 that interest you. For the benefit of our customers, we carefully vet every entity that we source from, guaranteeing that you only receive superior-caliber offerings in every order. With these dedications, you can always purchase from us with confidence. Furthermore, we also organize our stock based on Federal Supply Classes, so you can find popular items under FSCs like 5305 Screws. Do not hesitate to submit the RFQ form below, and within 15 minutes or less of submission, one of our experts will reach out with a customized solution. Get started today and see why so many customers steadily depend on AI NSN Parts for their operational needs.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-591-0047 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 015910047 | 0 | N | A | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| ST3M557-421 | 5 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 1.767 INCHES MINIMUM AND 1.797 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| FEAT | SPECIAL FEATURES | HEAD HAS A 1.40 DEGREE RADIUS DOME |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AAUR | GRIP DIAMETER | 0.249 NOMINAL MILS AND 0.250 NOMINAL CENTIMETERS |
| AASK | HEAD STYLE | FILLISTER COUNTERSUNK |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | NICKEL ALLOY 718 OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700, METHOD 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ANEE | GRIP LENGTH | 1.313 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| AASU | HEAD HEIGHT | 0.015 INCHES MAXIMUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AAUY | POINT LENGTH | 0.045 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CWDK | POINT CHAMFER ANGLE | 45.0 MAXIMUM OF STANDARD RANGE SINGLE TREATMENT RESPONSE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CLOSE TOLERANCE, 100 DEG COUNTERSUNK, REDUCED HEAD, HI-TORQUE, NON-MAGNETIC CRES (125 KSI FSU) |
| AASL | HEAD DIAMETER | 0.390 INCHES MINIMUM AND 0.395 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
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.
Request for Quote