AIA/NAS M14144-2008 pdf download NUT, SELF-LOCKING, LIGHTWEIGHT, CASTELLATED, 450ºF
MATERIAL: CARBON AND ALLOY STEEL
1 035 (UNS G1 0350) PER AMS5080, AMS-QQ-S-700
1 042 (UNS G1 0420) PER AMS5080
1 050 (UNS G1 0500) PER AMS5085
1 1 37 (UNS G1 1370) PER AMS5024
1 1 L37 (UNS G1 1 374) PER AMS5020
4027 (UNS G40270) PER ASTM A 322
4037 (UNS G40370) PER ASTM A 322, ASTM A 331 , ASTM A 1 08, ASTM A 51 9, ASTM A 547, AMS6300
8630 (UNS G86300) PER AMS6280, AMS6355, AMS6530, AMS6550
8740 (UNS G87400) PER AMS6322, AMS6323, AMS6325, AMS6327, AMS6358
41 30 (UNS G41 300) PER AMS6350, AMS6360
34CrMo4 PER DIN/BS/NF EN1 0083-1 AND DIN/BS/NF EN1 0083-3
OR 34CrMo4 PER DIN/BS/NF EN1 01 32-1 AND DIN/BS/NF EN1 01 32-3
OR 35CD4, FE-PL1 503 PER NF L 09-752.
FINISH: CADMIUM PLATED IN ACCORDANCE WITH AMS-QQ-P-41 6, TYPE II, CLASS 2. TYPE AND CLASS OPTIONAL FOR SOLID FILM LUBRICATED NUTS IF PARTS MEET SALT SPRAY REQUIREMENTS OF AMS-QQ-P-41 6,TYPE II.
LUBRICANT: LUBRICANT APPROVED IN ACCORDANCE WITH NASM25027. LUBRICANTS, EXCEPT SOLID FILM LUBRICANTS, SHALL BE SOLUBLE IN THE CLEANER SPECIFIED IN THE PROCUREMENT SPECIFICATION..
CODE: FOR SOLID FILM LUBRICATED NUTS INSERT LETTER “L” BETWEEN BASIC MS PART NUMBER AND DASH NUMBER.
PART NUMBER: THE PART NUMBER SHALL CONSIST OF THE BASIC MS NUMBER PLUS A DASH NUMBER.
EXAMPLE: MS1 41 44 -4
DASH NUMBER
BASIC MS NUMBER
MS1 41 44L4 – .2500-28 NUT, CADMIUM PLATED, SOLID FILM LUBRICATED
MS1 41 44-4 – .2500-28 NUT, CADMIUM PLATED, SOLUBLE LUBRICANT
NOTES:
1 . DIMENSIONS APPLY AFTER FINISH UNLESS OTHERWISE SPECIFIED.
2. DIMENSIONS IN INCHES.
3. THREADS: IN ACCORDANCE WITH AS8879 BEFORE LUBRICATION.
4. BREAK ALL SHARP EDGES AND REMOVE ALL BURRS AND SLIVERS.
5. SURFACE TEXTURE: IN ACCORDANCE WITH ASME B46.1 AND SHALL NOT EXCEED 1 25 MICROINCHES.
6. THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS REFERENCED HEREIN.
7. REFERENCED DOCUMENTS SHALL BE THE ISSUE IN EFFECT ON THE DATE OF INVITATION FOR BID.
8. DESIGN INFORMATION: THESE NUTS MAY BE USED AT TEMPERATURES 450°F AND BELOW IN THOSE TYPES OF
APPLICATIONS FOR WHICH SLOTTED OR CASTELLATED NUTS ARE APPROVED FOR USE, AND IF SUCH
APPLICATIONS CONFLICT WITH ANY LIMITATIONS ON THE USE OF SELF-LOCKING NUTS, AS CITED BY
NASM33588, THIS STANDARD TAKES PRECEDENCE. NUTS ARE TO BE INSTALLED IN ACCORDANCE WITH NASM33540.
9. PART NUMBERS WITH DASH (“-“) PRECEDING THE DASH NUMBER FOR SOLID FILM LUBRICATED NUTS (“L”) ARE INACTIVE FOR NEW DESIGN AND PROCUREMENT AFTER NOVEMBER 26, 2008. SUPERSEDED BY NUT DASH UMBERS WITHOUT A PRECEDING DASH.
1 0. FOR DESCRIPTION OF STATUS NOTES SEE NAS380.
1 1 . PRODUCT MANUFACTURED PRIOR TO THIS REVISION USING MATERIAL: 34CrMo4 PER DIN/BS/NF EN1 0083-1 AND DIN/BS/NF EN1 0083-3 OR 34CrMo4 PER DIN/BS/NF EN 1 01 32-1 AND DIN/BS/NF EN1 01 32-3 OR 35CD4, FE-PL1 503 PER NF L 09-752 MAY BE PROCURED AND USED.
PROCUREMENT SPECIFICATION: NASM25027 EXCEPT LOCKING TORQUE VALUES APPLICABLE FOR 5 CYCLES.

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