AN101001-AN101100 at a glance

Specification

Item	Value
Type	Hexagon head bolt
Material	Steel AMS6322, hardness Rockwell C26-32; manufacturing specification AMS7452
Finish	Cadmium plate AMS2400
Status	Check the current issue before design use. Inactive for new design after 3 Mar 1969; no superseding standard.

Dimension, in	.190-32 NF-3A
Thread	.190-32 NF-3A
A max — A dia (shank), max	.189
A min — A dia (shank), min	.186
B max — B, max (across flats)	.376
B min — B, min (across flats)	.367
C — C, min (across corners)	.420
D — D (head height)	.125
W — W dia (bearing face, head chamfer 30°)	.375
E — E × 45°, approx (end chamfer)	.031

Dimensions in inches, from the drawing of the standard. L and K are the standard's letters; A, B, C, D, E and W are assigned on this datasheet.

Part numbers by length L, with length to full thread K. The standard governs.

.190-32 NF-3A38 part numbers

Each part number is one length L; K is the length to full thread (+.000 −.060). Where K shows a dash, the thread runs to the head with two imperfect threads max. Do not use unassigned part numbers.
Shank straight within .004 FIR per inch of bolt length; thread pitch diameter concentric with the shank within .006 FIR; shank concentric with the washer face diameter and hexagon within .011 FIR.
Bearing face square with the shank within .003 FIR; head chamfer 30° to the bearing face diameter (opposite side optional); fillet under the head R .005 to .015; max 2 imperfect threads.
Thread per MIL-S-7742. Material identification per AMS2800, raised or depressed .010 max.
All parts undergo magnetic inspection per AMS2640. Break sharp edges .003 to .015 unless otherwise specified. Unless otherwise specified: linear ±.010, angular ±2°.
Approved data governs. Use the bolt the SRM, drawing or IPC calls for.

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AN101001 thru AN101100 Rev. 3, 30 Jun 1986 — Bolt — Hex Head, .190-32 — dimensions, part numbers and notes. Public domain, distribution unlimited.

Part	Meaning
Format	AN101<dash>
Example	AN101043 — Hex head bolt, .190-32 NF-3A, L 3.875, K 3.312