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NAS1831AC4B09 - RAF Aluminum Standoffs

Inventory Status
Estimated Lead Time

0.563 Inch long Aluminum NAS1831 standoff manufactured with an 0.25 Inch outside diameter.

Unit System
Specs (in standard)
Label Value
Brand RAF
Display Name NAS1831AC4B09
Finish Chemical Film
Finish Description Chemical conversion coat (MIL-DTL-5541), Class 3
Length 0.563 in
Material Aluminum
Material Description Aluminum (Chem Conversion) 6061 (AMS4117) 2024 (ASTM-B211)
Model Number NAS1831
Outside Diameter 0.25 in
Thread Size 4-40
Thread Type Female, Female
Specs (in metric)
Label Value
Brand RAF
Display Name NAS1831AC4B09
Finish Chemical Film
Finish Description Chemical conversion coat (MIL-DTL-5541), Class 3
Length 14.3 mm
Material Aluminum
Material Description Aluminum (Chem Conversion) 6061 (AMS4117) 2024 (ASTM-B211)
Model Number NAS1831
Outside Diameter 6.35 mm
Thread Size 4-40
Thread Type Female, Female