MS51552A
REQUIREMENTS:
1. MATERIAL: CARBON, STEEL, GRADES 1035 (UNS G10350), 1040 (G10400) OR 1050 (UNS G10500) IN ACCORDANCE WITH ASTM A29.
ALLOY STEEL, GRADES 4130 (UNS G41300), 4340 (UNS G43400), OR 8740 (UNS G87400) IN ACCORDANCE WITH ASTM A29.
CORROSION-RESISTANT STEEL, NUT AND BASKET, TYPE A286 (UNS S66286) IN ACCORDANCE WITH AMS 5525, AMS 5732, AMS 5737, OR BASKET TYPE 321 (UNS S32100), IN ACCORDANCE WITH AMS 5510.
2. PROTECTIVE COATING AND SURFACE TREATMENT : STEEL NUTS, CADMIUM PLATE IN ACCORDANCE WITH QQ-P-416, TYPE II, CLASS 2. CRES NUTS SHALL BE CLEANED DESCALED AND PASSIVATED IN ACCORDANCE WITH ASTM A967.
3. HARDNESS: 49 HRC, MAX.
4. LUBRICANT: MOLYBDENUM DISULFIDE DRY FILM LUBRICANT IN ACCORDANCE WITH MIL-N-
25027. OTHER LUBRICANTS SOLUBLE IN CLEANER SPECIFIED IN THE PROCUREMENT SPECIFICATION. CRES NUTS LIMITED TO FIVE (5) REUSE CYCLES.
5. SURFACE TEXTURE: SURFACE TEXTURE SHALL BE Ra 125 MICRO INCHES MAXIMUM IN ACCORDANCE WITH ASME B46.1.
6. FOAT OF NUT ELEMENT: FLOAT OF NUT ELEMENT PORTION OF ASSEMBLY SHALL NOT BE LESS THAN .020 RADIALLY FROM CENTERED POSITION. NUT ELEMENT SHALL BE CAPABLE OF ENGAGEMENT WITH BOLT IN THE MAXIMUM MISALIGNED POSITION.
7. THREADS: THREADS SHALL BE IN ACCORDANCE WITH MIL-S-8879 BEFORE LUBRICATION.
THREAD ACCEPTABILITY SHALL BE IN ACCORDANCE WITH ASME B1.3, SYSTEM 21.
8. PART NUMBER: THE PART NUMBER CONSISTS OF THE BASIC MS SHEET NUMBER FOLLOWED BY A MATERIAL CODE AND DASH NUMBER FROM TABLE II.
EXAMPLE: MS51552 CL3
DASH NUMBER
BASIC MS SHEET NUMBER
MS51552CL3 - INDICATES NUT, SELF-LOCKING, PLATE, RIGHT ANGLE, CRES, 125 KSI FTU, 450 F DRY FILM LUBRICATED, THREAD SIZE; .1900-32 UNJF-3B.
2
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business