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Quality guaranteed We sell only warrantied and traceable partsMfg Part Number: 250-20UNC-3A
Alternate P/N: 25020UNC3A
NSN : 5305-01-359-9446
NIIN : 013599446
CAGE Code : 54497
Manufacturer: Martin Marietta Technologies Inc
Item Name : Screw Shoulder
FSC : 5305 Screws
In our inventory, we have more than two billion new and obsolete NSN part like 250-20UNC-3A. Aviation Sphere can offer an impressive selection of NSN parts. This includes parts like 250-20UNC-3A Screw Shoulder from manufacturer Martin Marietta Technologies 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 250-20UNC-3A, 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 250-20UNC-3A. This means you can quickly sort through National Stock Numbers such as 5305013599446 and find parts from quality manufacturers like Martin Marietta Technologies 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 |
|---|---|---|---|---|---|---|
| 5305-01-359-9446 Item Description: Screw Shoulder | 5305 | 013599446 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 250-20unc-3a | 5 | 1 | C | A |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.438 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.402 INCHES MINIMUM AND 1.406 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.213 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.308 INCHES MINIMUM FIRST SHOULDER AND 0.310 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.745 INCHES MINIMUM FIRST SHOULDER AND 0.755 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | NICKEL ALLOY 400 OVERALL OR NICKEL ALLOY R-405 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
 |
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