MA3289A BOLT, MACHINE-HEX HEAD-PD SHANK MJ THREAD, AMS 6322, CADMIUM PLATE, METRIC

FOR PART NUMBERS WHERE DIMENSION N IS EQUAL TO OR LESS THAN ONE TIMES THE NOMINAL DIAMETER OF THE THREAD, THE THREAD PD SHALL REPLACE DATUM B.

MATERIAL: ALLOY STEEL PER AMS 6322. (G87400)

PROCUREMENT SPECIFICATION: MA3376

HARDNESS: 26-32 HRC OR EQUIVALENT.

MAGNETIC PARTICLE INSPECTION: AMS 2640. ACCEPTANCE CRITERIA PER MA3376.

SURFACE TEXTURE: SYMBOLS PER ANSI Y14.36-1978; REQUIREMENTS PER ANSI B46.1-1985. UNLESS OTHERWISE SPECIFIED SURFACES TO BE 3.2 MICROMETERS Ra.

PART NUMBER SHALL INCLUDE THE STANDARD NUMBER AND THE DASH NUMBER TO INDICATE DIAMETER AND LENGTH. EXAMPLE OF PART NUMBER:

MARK PART NUMBER AND MANUFACTURER’S IDENTIFICATION PER AS 478 CLASS A. FOR MJ3 AND MJ4 MARK ONLY MA3289 AND MANUFACTURERS IDENTIFICATION.

BREAK EDGES 0.1-0.4, UNLESS OTHERWISE SPECIFIED.

DIMENSIONING AND TOLERANCING: ANSI Y14.5M-1982. TOLERANCE GRADE PER ANSI B4.2-1978.

ALL DIMENSIONS IN MILLIMETERS

DO NOT USE UNASSIGNED PART NUMBERS.

FINISH: CADMIUM PLATE PER AMS 2400. DIMENSIONS ARE AFTER PLATING.

AFTER OCTOBER 1996 PARTS ARE CADMIUM PLATED.

MA, AS AND AMS ARE SAE PUBLICATIONS.

ANSI IS AMERICAN NATIONAL STANDARDS INSTITUTE PUBLICATION.