NAS1291-10

Nut, Self-Locking, Extended Washer

Part number: NAS1291-10
NSN: 5310-01-093-7247
NIIN: 01-093-7247
Item name: Nut, Self-Locking, Extended Washer
Manufacturer: Alcoa Global Fasteners Inc.
CAGE code: 06950
FSC: 5310
Unit of issue: EA
DEMIL code: A

Alternate part numbers

NAS1291-10 CAGE 06950
NAS1291-10 CAGE 52828
NAS1291-10 CAGE 80205

Technical characteristics

Thread Class: 3B
Thread Direction: Right-hand
Locking Feature: Prevailing torque all metal design
Washer Outside Diameter: 1.014 inches maximum
Lubrication: Dry film lubricant
Overall Height: 0.490 inches minimum and 0.550 inches maximum
Nut Style: Hexagon
Washer Thickness: 0.050 inches minimum
Width Across Flats: 0.743 inches minimum and 0.755 inches maximum
Temp Rating: 450.0 deg fahrenheit maximum
Thread Series: UNJF
Thread Quantity per Inch: 18
Nominal Thread Size: 0.625 inches
Countersink Angle: 120.0 degrees maximum nut
Material: Steel overall
Surface Treatment: Cadmium overall and chromate overall
Surface Treatment Document and Classification: QQ-P-416, cl 2 or cl 3 fed spec single treatment response overall
Specification/Standard Data: 80205-NAS1291 professional/industrial association standard

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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