Acme Keylocking Insert
MS51831A207 | NA1395-9
4140 Alloy Steel Inch
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Keylocking Threaded Inserts Request for Quote

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 (MS51831& NAS1395)

Acme Part No.: 217-080507 MS Number: MS51831A207 | NA1395-9
Material: 4140 Alloy Steel Locking?: Non-Locking
Internal Thread: 9/16 – 18 External Thread: 13/16 – 16
Length: 0.812 Max Distance to Locking Part: 0.32
Bore Depth: 0.1  
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