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NAS577B20A

Nut, Self-Locking, Barrel

Part number
NAS577B20A
NSN
5310-01-210-3874
NIIN
01-210-3874
Item name
Nut, Self-Locking, Barrel
Manufacturer
National Aerospace Standards
CAGE code
80205
FSC
5310
Unit of issue
EA
DEMIL code
A

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Alternate part numbers

Technical characteristics

Thread Class
3B
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Floating self-locking barrel
Nut Diameter
2.119 inches minimum and 2.122 inches maximum
Nut Length
2.342 inches minimum and 2.362 inches maximum
Barrel Height
1.310 inches minimum and 1.320 inches maximum
Nut Height
1.813 inches maximum
Thread Series
UNJF
Features Provided
Floating nut
Thread Quantity per Inch
12
Hardness Rating
39.0 rockwell C minimum and 46.0 rockwell C maximum
Nominal Thread Size
1.250 inches
Material
Steel comp 8740 or steel comp 4340 overall
Material Document and Classification
MIL-S-6049 mil spec 1ST material response or ms 6322 fed spec single material response or MIL-S-8844, cl 1 mil spec 2ND material response overall
Surface Treatment
Cadmium and chromate overall
Surface Treatment Document and Classification
QQ-P-416, ty 2, cl 2 fed spec single treatment response overall
Specification/Standard Data
80205-NAS577 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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