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

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 REGULAR-

HEIGHT, (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 FED-

STD-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)

AND MS17828 (SHIPS) – SEE TABLE III

NASM 25027 (this spec to be used in conjunction with MS Part Sheets)

Paragraph 6.2 Ordering Data

6.2.1 Acquisition Requirements

a. NASM 25027, NUT, SELF-LOCKING, 250oF, 450oF, and 800oF – Rev 1 dated 21 December 2012.

b. MS or NAS part numbers: MS17828-10C

c. Applicable levels of packaging and packing (see 5.1): Commercial

6.2.2 Acquisition of Nuts Not Previously Qualified. Nuts which have not been previously qualified via Government-certified qualification tests and reports may be acquired, provided that certified qualification test reports for these nuts are retained on file by the manufacturer along with the quality conformance inspection data and they are made available to the buyer upon request.

6.2.3 (Removed in Rev 1)

6.2.4 Certification. Is a Certification Report requested?

Yes No

If Yes, indicate which test report(s): Chemicals and Mechanical test data traceable to the delivered production lot.

Additional Data Requirements: BEARING SURFACE TO BE CHAMFERED OR

WASHER FACED

• Quantity required: 2000 Each

All unit, intermediate and shipping containers must be marked in accordance with MIL-STD- 129R Change 3. Refer to DLA Procurement Note C20 for further instructions.

Prepared By: Material and Technical Support

Code: 244.4