EB048

Nut, Self-Locking, Extended Washer

Part number: EB048
NSN: 5310-00-488-9137
NIIN: 00-488-9137
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

11745808 CAGE 19200
12NH-4 CAGE 019L2
7792554 CAGE 19205
9026171 CAGE 18876
EB-428 CAGE 15653
EB048 CAGE 000Y2
EB048 CAGE 12770
EB048 CAGE 56878
EB048 CAGE 72962
EB048 CAGE 97499

Technical characteristics

Thread Class: 3B
Thread Direction: Right-hand
Locking Feature: Prevailing torque with nonmetallic insert
Washer Outside Diameter: 0.521 inches minimum and 0.531 inches maximum
Overall Height: 0.334 inches nominal
Nut Style: Double hexagon
Washer Thickness: 0.090 inches nominal
Width Across Flats: 0.362 inches minimum and 0.377 inches maximum
Temp Rating: 250.0 deg fahrenheit nominal
Thread Series: UNJF
Thread Quantity per Inch: 28
Nominal Thread Size: 0.250 inches
Material: Steel comp 4130 overall or steel comp 4340 overall or steel comp 3140 overall or steel comp 8740 overall
Material Document and Classification: AISI4130 assn std single material response overall or AISI4340 assn std single material response overall or AISI3140 assn std single material response overall or SAE8740 assn std single material response overall
Surface Treatment: Cadmium overall except insert and chromate overall except insert
Surface Treatment Document and Classification: QQ-P-416, type 2, class 3 fed spec 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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