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Insert - 303 CRES
Keys- 302 CRES

Finish: Passivated

Tolerances: ±.010 inch unless specified otherwise

MS51831-108 Internal Threads: Per SAE AS8879

Dimensions: All MS51831-108 dimensions below are in inches
Internal Thread Class 3B: 5/8 – 11
External Thread Class 2A: 7/8 – 14
H Length: .875

Keys: MS51831-108 Inserts with an internal thread size of 5/16 and larger are furnished with 4 locking keys. Smaller sizes have 2 locking keys. 

Lubrication: Dry Film Lube on Self-Locking Inserts only

Performance: MIL-I-45914A (MS51831 & NAS1395)

MS51831-108 Keylocking Threaded Inserts Heavy Duty Inch

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Aircraft Fasteners is a stocking distributor for MS51831-108. We stock a full range of MS inserts and MS nuts including the MS51831-108.
Please contact Aircraft Fasteners customer service for pricing information, technical support and stock status/lead time for the part number MS51831-108.