We appreciate your interest in American National Standards part number B18.3.1M, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number B18.3.1M is listed with the NSN 5305-01-646-7134 and description “Screw Cap Socket Head.” 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 American National Standards under the CAGE Code 80204 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 5305-01-646-7134 parts and Screw Cap Socket Head items your operations require, so request a quote today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-646-7134 Item PartTypeName: SCREW,CAP,SOCKET HEAD | 5305 | 016467134 | 0 | N | A | |
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | A | 0 | |||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| B1831BH120065L | 5 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASU | Head Height | 11.7 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM |
| CXCY | Part Name Assigned By Controlling Agency | SCREW CAP HEXAGON SOCKET HEAD (METRIC) |
| AASB | Fastener Length | 65.0 MILLIMETERS NOMINAL |
| AASA | Thread Length | 36.0 MILLIMETERS NOMINAL |
| MRC | Decoded Requirement | Clear Text Reply |
| AASL | Head Diameter | 17.6 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| ABQZ | Internal Drive Style | HEXAGON |
| MATT | Material | STEEL PROPERTY CLASS 12.9 OVERALL |
| AAJF | Thread Direction | RIGHT-HAND |
| AGAV | End Item Identification | ENGINE, DIESEL |
| AHYM | Nominal Thread Diameter | 12.0 MILLIMETERS |
| THSD | Thread Series Designator | ISO M |
| CQWR | External Thread Tolerance Class | 4G6G |
| AAUM | Locking Feature | PELLET OR STRIP OR PATCH THREADS |
| CQQR | Thread Pitch In Millimeters | 1.7 |
| ASDB | Width Across Flats | 10.0 MILLIMETERS MINIMUM |
| AASK | Head Style | FLAT CHAMFER |
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