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NAS1423-4Left Hand Drilled Hex Nut

Part numbers : RX1-NAS1423-4LH , 09449-1 , NAS1423-4LH

Unit of Measure: EA

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Up to 15 EA ready to ship on Monday 2026-09-28

Order before 17:00 CET Tomorrow

Left-hand drilled hex nut for aerospace hardware applications requiring a 1/4-28 UNJF-3B left-hand thread.

Manufacturer part number: 09449-1
Thread: 1/4-28 UNJF-3B, left-hand
Material: 4130 alloy steel to AMS-S-6758
Finish: Cadmium, Type II Class 2, to AMS-QQ-P-416
Heat treatment: 150 KSI minimum to AMS2759
Hardness: 34-38 HRC
Drilled hex configuration for safety-wire installation where specified by the applicable maintenance or engineering data

Confirm part-number, thread-direction, and installation requirements against the applicable approved technical documentation before use.

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