You are Here: Search AcmeIndustrial.com for Mil Spec, ANSI or ACME part number Home About Us Keylocking Inserts Helpful Resources News Certifications The Bushing Store Contact Us Terms Videos Careers MS51830-201, NAS1394C3 Request for Quote Installation and Removal Submit the form below A representative will contact you shortly with a price quotation. or Call 800-323-5582 Installation Dimensions & Tools MS/NAS Style Inserts Specific Use Inserts Industrial Style Inserts Special Inserts Comparing Threaded Inserts Swage-Sert(R) Inserts Precision Bushings Keylocking Studs Registered Quality System Material: Insert - 303 CRES Keys- 302 CRES Finish: Passivated Tolerances: .010 inch unless specified otherwise Internal Threads: Per SAE AS8879 Dimensions: All dimensions below are in inches Keys: Inserts with an internal thread size of 5/16 and larger are furnished with 4 locking keys. Smaller sizes have two locking keys. Material Identification Mark: None Lubrication: Dry Film Lube on Self-Locking Inserts only Performance: MIL-I-45914A (MS51830 & NAS1394) For inserts with the following options, add the letter code shown to the end of the Acme part number: S -- Silver Plate per AMS 2410 DFL -- Dry Film Lube (Non-Locking Inserts Only) K -- Self Broaching Keys MS51830-201, NAS1394C3 Request for Quote Aerospace Industries Association Acme Part Number: 217-076521 MS/NAS Style - 303 CRES Keylocking Threaded Inserts Lightweight Inch Internal Thread Class 3B: 10 - 32 External Thread Class 2A: 5/16 - 18 H Length: .312 K C'Bore Depth: .07 MS Style: MS 51830-201 Quantity to Quote: Name:* Title: Company:* Phone: Fax: Email:* URL Web Address: Address 1:* Address 2: City:* State:* Zip:* Inquiry/ Comments: * = Required Field Submit (c) 2013 Acme Industrial Company | 441 Maple Avenue | Carpentersville, IL 60110-1990 USA (847) 428-3911 | (800) 323-5582 | Fax: (847) 428-1820 | acmemail@acmeindustrial.com Acme Industrial Company is a subsidiary of Keylock Threaded Inserts MS/NAS Threaded Inserts Thinwall Threaded Inserts Installation Tips Precision Drill Bushings Shop Online Keylocking Studs Installation Tips Specific Use Threaded Inserts Industrial Threaded Inserts Compared vs. Heli-Coil(R) & Keensert(R) Threaded Inserts Threaded Insert Installation Tips Threaded Insert Removal Tips Privacy/Legal