MS21083D8

Nut, Self-Locking, Hexagon

Part number: MS21083D8
NSN: 5310-00-948-9760
NIIN: 00-948-9760
Item name: Nut, Self-Locking, Hexagon
Manufacturer: E.C.A Etablissement Central DES
CAGE code: SCY13
FSC: 5310
Unit of issue: EA
DEMIL code: A

Alternate part numbers

5310009489760 CAGE SCY13
5310PL0639154 CAGE 9009H
68NTE-080 CAGE 72962
MS21083D8 CAGE 96906

Technical characteristics

Thread Class: 3B
Thread Direction: Right-hand
Locking Feature: Prevailing torque with nonmetallic insert
Nut Style: Hexagon
Nut Height: 0.328 inches maximum
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Temp Rating: 250.0 deg fahrenheit nominal
Thread Series: UNJF
Thread Quantity per Inch: 20
Nominal Thread Size: 0.500 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: Chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: Aluminum overall except insert
Material: Plastic polyamide locking insert
Surface Treatment: Anodize overall except insert or chromate overall except insert
Surface Treatment Document and Classification: MIL-A-8625 mil spec 1ST treatment response overall except insert or MIL-C-5541 mil spec 2ND treatment response overall except insert

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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