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Quality guaranteed We sell only warrantied and traceable partsMfg Part Number: ST3M557-4-21
Alternate P/N: ST3M557421
NSN : 5305-01-591-0047
NIIN : 015910047
CAGE Code : 58998
Manufacturer: Emhart Teknologies Inc
Item Name : Screw Close Toleran
FSC : 5305 Screws
In our inventory, we have more than two billion new and obsolete NSN part like ST3M557-4-21. Aviation Sphere can offer an impressive selection of NSN parts. This includes parts like ST3M557-4-21 Screw Close Toleran from manufacturer Emhart Teknologies Inc and many more, all of which are available with short lead times and competitive prices. For parts not in our inventory, our dedicated account managers can help you track them down through our international supply chain network that extends across the United States, Canada, and the United Kingdom. Furthermore, Aviation Sphere is an AS9120B, ISO 9001:2015, and FAA AC 0056B accredited business, as well as the only independent distributor with a strict No China Sourcing Pledge, allowing us to ensure that each part part like ST3M557-4-21, you purchase from us is fully traceable or comes directly from its manufacturer.
Our website offers a number of parametric search capabilities, one of which allows you to search specifically for NSN part like ST3M557-4-21. This means you can quickly sort through National Stock Numbers such as 5305015910047 and find parts from quality manufacturers like Emhart Teknologies Inc and many others. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to all inquiries in 15 minutes or less.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-591-0047 Item Description: Screw Close Toleran | 5305 | 015910047 | 0 | N | A | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| St3m557-4-21 | 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 |
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