Acme Keylocking Insert
MS51830A204 | NA1394A6
4140 Alloy Steel Inch
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Keylocking Threaded Inserts Request for Quote

Material:
Insert – 4140 Alloy Steel (160 KSI Min)
Keys- 302 CRES
Finish: Cadmium Plate (QQ-P-416 Type II, Cl. 2)
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 2 locking keys.
Material Identification Mark: Two lines on top of insert
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: MIL-I-45914A (MS51830 & NAS1394)

Acme Part No.: 217-080524 MS Number: MS51830A204 | NA1394A6
Material: 4140 Alloy Steel Locking?: Non-Locking
Internal Thread: 3/8 – 24 External Thread: 1/2 – 13
Length: 0.5 Max Distance to Locking Part: 0.24
Bore Depth: 0.07  
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