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.
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Item #

A - MAX

B - REF

C ± .005

D - MIN

J ± .002

H - MAX

K +.005 / -.000

M - MIN

P - REF

V - REF

W - MAX

Approx. Weight (LBS/100)

Thread

F1972-08-2 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.312 N/A 0.098 N/A 0.125 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.430 N/A 0.1640-32 UNJC-3B
F1972-08-3 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.375 N/A 0.098 N/A 0.188 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.460 N/A 0.1640-32 UNJC-3B
F1972-08-4 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.437 N/A 0.098 N/A 0.250 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.480 N/A 0.1640-32 UNJC-3B
F1972-08-5 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.500 N/A 0.098 N/A 0.312 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.510 N/A 0.1640-32 UNJC-3B
F1972-08-6 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.562 N/A 0.098 N/A 0.375 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.530 N/A 0.1640-32 UNJC-3B
F1972-3-2 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.194 N/A 0.312 N/A 0.312 N/A 0.098 N/A 0.125 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.560 N/A 0.1900-32 UNJF-3B
F1972-3-3 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.194 N/A 0.312 N/A 0.375 N/A 0.098 N/A 0.188 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.630 N/A 0.1900-32 UNJF-3B
F1972-3-4 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.194 N/A 0.312 N/A 0.437 N/A 0.098 N/A 0.250 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.660 N/A 0.1900-32 UNJF-3B
F1972-3-5 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.194 N/A 0.312 N/A 0.500 N/A 0.098 N/A 0.312 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.710 N/A 0.1900-32 UNJF-3B
F1972-3-6 N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.194 N/A 0.312 N/A 0.562 N/A 0.098 N/A 0.375 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.770 N/A 0.1900-32 UNJF-3B
F1972-4-2 N/A 1.306 N/A 0.130 N/A 0.500 N/A 0.254 N/A 0.312 N/A 0.344 N/A 0.098 N/A 0.125 N/A 0.312 N/A 0.025 N/A 0.516 N/A 0.890 N/A 0.2500-28 UNJF-3B
F1972-4-3 N/A 1.306 N/A 0.130 N/A 0.500 N/A 0.254 N/A 0.312 N/A 0.406 N/A 0.098 N/A 0.188 N/A 0.312 N/A 0.025 N/A 0.516 N/A 0.950 N/A 0.2500-28 UNJF-3B
F1972-4-4 N/A 1.306 N/A 0.130 N/A 0.500 N/A 0.254 N/A 0.312 N/A 0.469 N/A 0.098 N/A 0.250 N/A 0.312 N/A 0.025 N/A 0.516 N/A 1.020 N/A 0.2500-28 UNJF-3B
F1972-4-5 N/A 1.306 N/A 0.130 N/A 0.500 N/A 0.254 N/A 0.312 N/A 0.531 N/A 0.098 N/A 0.312 N/A 0.312 N/A 0.025 N/A 0.516 N/A 1.090 N/A 0.2500-28 UNJF-3B
F1972-4-6 N/A 1.306 N/A 0.130 N/A 0.500 N/A 0.254 N/A 0.312 N/A 0.594 N/A 0.098 N/A 0.375 N/A 0.312 N/A 0.025 N/A 0.516 N/A 1.160 N/A 0.2500-28 UNJF-3B
F1972-5-2 N/A 1.396 N/A 0.141 N/A 0.500 N/A 0.317 N/A 0.312 N/A 0.391 N/A 0.130 N/A 0.125 N/A 0.375 N/A 0.025 N/A 0.609 N/A 1.300 N/A 0.3125-24 UNJF-3B
F1972-5-3 N/A 1.396 N/A 0.141 N/A 0.500 N/A 0.317 N/A 0.312 N/A 0.453 N/A 0.130 N/A 0.188 N/A 0.375 N/A 0.025 N/A 0.609 N/A 1.440 N/A 0.3125-24 UNJF-3B
F1972-5-4 N/A 1.396 N/A 0.141 N/A 0.500 N/A 0.317 N/A 0.312 N/A 0.516 N/A 0.130 N/A 0.250 N/A 0.375 N/A 0.025 N/A 0.609 N/A 1.500 N/A 0.3125-24 UNJF-3B
F1972-5-5 N/A 1.396 N/A 0.141 N/A 0.500 N/A 0.317 N/A 0.312 N/A 0.578 N/A 0.130 N/A 0.312 N/A 0.375 N/A 0.025 N/A 0.609 N/A 1.640 N/A 0.3125-24 UNJF-3B
F1972-5-6 N/A 1.396 N/A 0.141 N/A 0.500 N/A 0.317 N/A 0.312 N/A 0.641 N/A 0.130 N/A 0.375 N/A 0.375 N/A 0.025 N/A 0.609 N/A 1.720 N/A 0.3125-24 UNJF-3B
F1972-08E2CW N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.312 N/A 0.098 N/A 0.125 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.430 N/A 0.1640-32 UNJC-3B
F1972-08E3CW N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.375 N/A 0.098 N/A 0.188 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.460 N/A 0.1640-32 UNJC-3B
F1972-08E4CW N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.437 N/A 0.098 N/A 0.250 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.480 N/A 0.1640-32 UNJC-3B
F1972-08E5CW N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.500 N/A 0.098 N/A 0.312 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.510 N/A 0.1640-32 UNJC-3B
F1972-08E6CW N/A 1.051 N/A 0.130 N/A 0.344 N/A 0.168 N/A 0.312 N/A 0.562 N/A 0.098 N/A 0.375 N/A 0.250 N/A 0.025 N/A 0.416 N/A 0.530 N/A 0.1640-32 UNJC-3B
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