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MS21059 - Anchor Nut Floating, Two-Lug
Thread: AS8879
Material of the MS21059 anchor nut:
# Material: Nut - C1050 carbon Steel per AMS5085 (UNS G10500) or 8740 alloy steel per AMS6322 (UNS G87400).
# Basket - C1050 carbon steel per AMS5085 (UNS G10500).
Heat Treat: Rc 49 max.
Finish:
# F5000-(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 plus Kaylube molybdenum disulfide dry film lubricant per AS5272, Type I.
# F5000X(*) - Cadmium plate per AMS-QQ-P-416, Type II, Class 2.
# F5000-(*)CW - Cadmium plate per AMS-QQ-P-416, Type II, Class 2 and carbowax.
MS21059 Performance: NASM25027.
Temperature: 450°F.
Notes for MS21059:
1. Floatability:
.030 minimum radially from centered position.
.020 maximum axial float for -3 and smaller.
.030 maximum axial float for -4 and larger.
2. For -04 and -06 sizes, c'sink or radius within ØP.
3. Dimpled rivet hole tolerance for ØK is + .015 - .00.
4. Unless otherwise specified: A) Surface texture 125 microinches.
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