6302-7908 NASM 17828 Nut Self-Locking - ORDERING DATA

MATERIAL ORDERING DATA

NASM 17828

Any specification that is referenced in this Material Order Data sheet is required to be to the latest revision at time of award.

IDN: N4523A 6302-7908

ICN: 88MSM00001 KO: 000

KOI: 000

A. AIA/NAS NASM17828 NUT, SELF-LOCKING, HEXAGON REGULARHEIGHT, (NON-METALLIC INSERT) 250 °F OR 450 °F, NICKEL-COPPER ALLOY - REV 2, DATED 30 JUNE 2023.
Procured to NASM25027 (see page 2)
B. Part No.: MS17828-10C (see explanation below)

C. Self-locking element: 250° F

MATERIAL: Nickel-copper alloy (UNS N04400 or N04405) conforming to QQ-N-281, Class A annealed (hot finish or cold drawn) or Class B cold drawn, or ASTM F467. The non-metallic locking collar (insert) shall be in accordance with ASTM D4066, Group 1, Class 1, or ASTM D6779, Group 1, Class 1 or 2 for 250 °F, and ASTM D6456, Type I for 450 °F.

NOTES:

/1/ BEARING SURFACE SQUARENESS MEASURED IN ACCORDANCE WITH NASM25027. /2/ MAXIMUM DIMENSION ACROSS FLATS INCLUDES DEFORMATION DUE TO INSTALLATION OF LOCKING DEVICE.
/3/ THREAD SIZE .2500 INCH AND LARGER SHALL BE MARKED IN ACCORDANCE WITH NAS1347, USING THE SYMBOL “NICU” OR “NC”.
(4) THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN. (5) UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF

THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS

DEPLETED.
(6) LOCKING DEVICE: THE LOCKING DEVICE SHALL BE A RING OR COLLAR INSERT CAPABLE OF COMPLETE CIRCUMFERENTIAL THREAD ENGAGEMENT FOR AT LEAST ONE FULL THREAD. (7) THREADS SHALL BE “RIGHT HAND”, UNIFIED COARSE OR UNIFIED FINE IN ACCORDANCE WITH FEDSTD-H28, CLASS 3B FIT EXCEPT THAT THE MINOR DIAMETER REQUIREMENTS OF AS8879 MAY APPLY.

(8) BOLTS OR STUDS FOR MAXIMUM LOCKING TORQUE AND MINIMUM BREAKAWAY TORQUE TEST:

BOLTS OR STUDS SHALL BE EITHER NICKEL-COPPER-ALUMINUM ALLOY CONFORMING TO MS18116 OR OF CORROSION RESISTANT STEEL OF THE 300 SERIES CLASS. (9) BREAK ALL SHARP EDGES AND REMOVE ALL BURRS AND SLIVERS.

(10) SURFACE ROUGHNESS SHALL NOT EXCEED 125 MICROINCHES Ra PER ASME B46.1

MATERIAL ORDERING DATA

NASM 17828

(11) DIMENSIONS IN INCHES.
(12) UNLESS OTHERWISE SPECIFIED HEREIN, REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON DATE OF MANUFACTURE. HOWEVER, EXISTING MATERIAL INVENTORY CERTIFIED TO A PREVIOUS REVISION OF THE APPLICABLE MATERIAL SPECIFICATION(S) IS ACCEPTABLE FOR USE UNTIL DEPLETION.
(13) DIMENSIONING AND TOLERANCING PER ANSI Y14.5M-1982.

MS17828 NUTS ARE UNIVERSALLY INTERCHANGEABLE WITH MIL-N-24129/1 (SHIPS)