Post Molded Insert NFP Series, NFPA, NFPC, ANFP, CNFP

Post Molded Threaded Insert, NFP Series

Part Number	Thread Size	Metric Equiv.	A	B	C	Minimum Sheet	HoleSize In Sheet	Minimum Boss Dia.
NFP440	4-40	M3x0.5	.187	.225	.181	.240	.187	.500
NFP632	6-32	M3.5x0.6	.187	.225	.181	.240	.187	.500
NFP832	8-32	M4x0.7	.250	.260	.238	.275	.250	.625
NFP1024	10-24	———	.250	.260	.238	.275	.250	.625
NFP1032	10-32	M5x0.8	.250	.260	.238	.275	.250	.625
NFP25020	1/4-20	M6x1.0	.312	.308	.295	.328	.312	.750
NFP25028	1/4-28	———	.312	.308	.295	.328	.312	.750
NFP31218	5/16-18	M8x1.25	.375	.360	.360	.380	.375	.950
NFP31224	5/16-24	———	.375	.360	.360	.380	.375	.950

Notes:
Thread spec per MIL-S-7742
300 Series Stainless Steel per MIL-S-7720 ASTM A581/A582
Brass per ASTM-B-16
Aluminum - 6061-T6 per QQ-A-225/8, QQ-A-200/8, QQ-A-225/10
300 Series Stainless Steel per MIL-S-7720 ASTM A581/A582
Dimensional Limits plus or minus .005, unless specified.
Installation Hole Tolerance +.003 / –.000
Class 3A/4H screw must pass with finger torque, but basic go gauge may stop at last thread. (Applies to Stainless Steel Only)

Part Number Example

NFPA-632

Series: NFP, Material: Alum, Thread 6-32

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