AN818

Nut, Tube Coupling

Part number: AN818
NSN: 4730-00-360-4296
NIIN: 00-929-3360
Item name: Nut, Tube Coupling
Manufacturer: Aeronautical Standards Group
CAGE code: 88044
FSC: 4730
Unit of issue: EA
DEMIL code: A

Alternate part numbers

AN818 CAGE 88044
AN818-4K CAGE 88044
AS4841 CAGE 0U583
AS4841 CAGE 81343
SAE-AS4841 CAGE 0U583

Technical characteristics

Thread Class: 3B
Thread Direction: Right-hand
Nut Style: Tube coupling
Nut Height: 0.609 inches nominal
Width Across Flats: 0.563 inches nominal
Length to Shoulder: 0.532 inches nominal
Smallest Inside Diameter: 0.305 inches nominal
Thread Series: UNF
Thread Quantity per Inch: 20
Nominal Thread Size: 0.438 inches
Nominal Tube Outside Diameter: 0.250 inches
Material: Steel comp 316 overall
Material Document and Classification: QQ-S-763 fed spec single material response overall
Surface Treatment: Passivate overall

Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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