NAS1291C7M

Nut, Self-Locking, Extended Washer

Part number: NAS1291C7M
NSN: 5310-00-052-6754
NIIN: 00-052-6754
Item name: Nut, Self-Locking, Extended Washer
Manufacturer: Alcoa Global Fasteners Inc.
CAGE code: 15653
FSC: 5310
Unit of issue: EA
DEMIL code: A

Alternate part numbers

10116517 CAGE A486G
G440028-1 CAGE 24930
H42-7 CAGE 15653
H42-7 CAGE R1120
NAS1291C7M CAGE 80205
NAS1291C7M CAGE KCV81
P35017 CAGE U1604

Technical characteristics

Thread Class: 3B
Thread Direction: Right-hand
Locking Feature: Prevailing torque all metal design
Washer Outside Diameter: 0.708 inches maximum
Lubrication: Dry film lubricant
Overall Height: 0.313 inches minimum and 0.328 inches maximum
Nut Style: Hexagon
Washer Thickness: 0.035 inches minimum
Width Across Flats: 0.494 inches minimum and 0.504 inches maximum
Temp Rating: 450.0 deg fahrenheit nominal
Thread Series: UNJF
Thread Quantity per Inch: 20
Nominal Thread Size: 0.438 inches
Countersink Angle: 120.0 degrees nominal nut
Material: Steel overall or iron alloy 660 overall
Material Document and Classification: MS5525 mil std 1ST material response overall or ams 5732 assn std 2ND material response overall or ams 5735 assn std 2ND material response overall
Specification/Standard Data: 80205-NAS1291 government 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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