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THREAD: AS8879
MATERIAL: Carbon steel or alloy steel.
FINISH:
  • F1972-(*)-(*) Nut and basket - Cadmium plated per AMS-QQ-P-416, Type II, Class 2 and Kaylube molybdenum disulfide dry lubricant coated per AS5272.
  • F1972-(*)E(*)CW Nut and basket - Cadmium plated per AMS-QQ-P-416, Type II, Class 2 and carbowax.
PERFORMANCE: NASM25027.
FLOATABILITY: .030 radially from centered position.
TEMPERATURE: 450°F.
VARIATIONS: Add "BC" for bottom countersink rivet holes. Example: F1972-3-2BC.
Unit of Measure

Specifications

A - MAX

N/A 1.306

B - REF

N/A 0.130

C ± .005

N/A 0.500

D - MIN

N/A 0.254

J ± .002

N/A 0.312

H - MAX

N/A 0.531

K +.005 / -.000

N/A 0.098

M - MIN

N/A 0.312

P - REF

N/A 0.312

V - REF

N/A 0.025

W - MAX

N/A 0.516

Approx. Weight (LBS/100)

N/A 1.090

Bottom countersunk rivet holes

N/A No

Finish

N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 plus Kaylube Molybdenum Disulfide Dry Lubricant Coat per AS5272

Thread Type

N/A Unified

Configuration 1

N/A One Lug

Configuration 2

N/A Floating

Configuration 3

N/A Deep C'Bore

Lock

N/A Crimp Lock

Simplified Material

N/A Alloy Steel

Strength

N/A 125KSI - 900Mpa

Temperature

N/A 450°F - 235°C

Thread

N/A 0.2500-28 UNJF-3B