AN121556

Nut, Plain, Castellated, Hexagon

Part number: AN121556
NSN: 5310-00-271-6625
NIIN: 00-271-6625
Item name: Nut, Plain, Castellated, Hexagon
Manufacturer: Air Force-Navy Aeronautical
CAGE code: 81352
FSC: 5310
Unit of issue: EA
DEMIL code: A

Alternate part numbers

2101D7 CAGE 0AHP5
5310PL0919819 CAGE 9009H
541 CAGE 77445
AN121556 CAGE 81352
AN121556 CAGE D9182

Technical characteristics

Thread Class: 3B
Thread Direction: Right-hand
Nut Style: Castellated, hexagon
Nut Height: 0.552 inches minimum and 0.572 inches maximum
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Thread Series: UNF
Features Provided: Casehardened
Thread Quantity per Inch: 20
Hardness Rating: 19.0 rockwell C minimum and 26.0 rockwell C maximum
Nominal Thread Size: 0.500 inches
Countersink Angle: 85.0 degrees minimum nut and 95.0 degrees maximum nut
Bearing Surface Type: Chamfered or washer faced
Bearing Surface Finish: 63.0 microinches
Material: Steel comp 8740 overall
Material Document and Classification: Ams 6322 assn std single material response overall
Surface Treatment: Cadmium overall
Surface Treatment Document and Classification: Ams 2400 assn std single treatment response 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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