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Inventory Status
Limited Availability

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

Unit System
View Spec Sheet
Specs (in standard)
Label Value
Brand RAF
Display Name NAS1831AC4B21
Finish Chemical Film
Finish Description Chemical conversion coat (MIL-DTL-5541), Class 3
Length 1.313 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 NAS1831AC4B21
Finish Chemical Film
Finish Description Chemical conversion coat (MIL-DTL-5541), Class 3
Length 33.35 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