We appreciate your interest in Boeing Company The part number ST3M557-5-5, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number ST3M557-5-5 is listed with the NSN 5305-01-521-9172 and description “Screw Close Tolerance.” If this is the item you are seeking and you would like to request a quote for your comparisons, simply complete the form below with information like your desired quantity, budget, and anticipated fulfillment timeframe. We regularly respond to requests within 15 minutes of receiving them, using the details we are offered to curate the most ideal purchasing options.
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If you want to explore other items produced by Boeing Company The under the CAGE Code 76301 or that similarly fall under the FSC 5305 Screws, keep in mind that since we list everything with relevant information, you can easily locate related part numbers using our search engine or catalogs. We also excel at tracking down parts with long lead times or that are generally hard to find, meaning that we can serve you even if you do not see exactly what you need on our website. With all of this being said, we are ready to help you source any of the NSN 5305-01-521-9172 parts and Screw Close Tolerance items your operations require, so request a quote today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-521-9172 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 015219172 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | 0 | ||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| ST3M557-5-5 | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| CMLP | Thread Quantity Per Inch | 24 |
| AASK | Head Style | FLAT COUNTERSUNK |
| MRC | Decoded Requirement | Clear Text Reply |
| AASB | Fastener Length | 0.828 INCHES MINIMUM AND 0.858 INCHES MAXIMUM |
| ABQZ | Internal Drive Style | HIGH-TORQUE |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| ANEE | Grip Length | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AASL | Head Diameter | 0.477 INCHES NOMINAL |
| AGAV | End Item Identification | FWD FUSELAGE |
| AASA | Thread Length | 0.531 INCHES NOMINAL |
| MATT | Material | NICKEL ALLOY 718 OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.312 INCHES |
| THSD | Thread Series Designator | UNJF |
| CRSQ | Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AAUR | Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM |
| STDC | Surface Treatment Document And Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | Material Document And Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAJD | Thread Class | 3A |
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