AIA/NAS 620-2009 pdf download

12-19-2022 comment

AIA/NAS 620-2009 pdf download WASHER, FLAT, REDUCED OUTSIDE DIAMETER
MATERIAL:
LOW CARBON STEEL SHEET OR STRIP IN ACCORDANCE WITH QQ-S-698,COLD ROLLEDCOMMERCIAL QUALITY,NO.1 FULL HARD TEMPER OR NO.2 HALF-HARD TEMPER,NO.3FINISH.
5052 ALUMINUM ALLOY SHEET IN ACCORDANCE WITH AMS-QQ-A-250/8 (UNS A95052).
TEMPER H32 OR TEMPER H34.
COMMERCIAL BRASS SHEET OR STRIP IN ACCORDANCE WITH ASTM B 36/B 36M OR ASTMB 121/B 121M,ALF-HARD TEMPER.
CORROSION-RESISTANT STEEL SHEET OR STRIP IN ACCORDANCE WITH ASTM A 240/A 240M.ANY OF THE 300 SERIES, CONDITION A FINISH 2D OR 2B (FOR SHEET),FINISH 2 (FORSTRIP).
WEAR/GALLING RESISTANT CRES BAR PER AMS5848 OR ASTM A 276 (UNS S21800) ORWEAR/GALLING RESISTANT CRES SHEET PER ASTM A240 (UNS S21800)
FINISH:
LOW CARBONSTEEL
CADMIUM PLATE IN ACCORDANCE WITH AMS-QQ-P-416TYPE IICLASS 2.
ALUMINUM ALLOYNONE.BRASS
CADMIUM PLATE IN ACCORDANCE WITH AMS-QQ-P-416TYPE IICLASS 2.
CADMIUM PLATED BRASS WASHERS ARE TO BE DYED A LIGHT BLUECOLOR WHICH WILL NOT RUB OFF OR BE SMEARED BY CONTACTINCIDENTAL TO HANDLING AND SERVICE,AND SHALL NOT BEINJURIOUS TO THE MATERIAL.
CORROSION
RESISTANT STEEL
WEAR/GALLINGRESISTANT CRES
PASSIVATE IN ACCORDANCE WITH AMS2700,METHOD 1TYPE 6 ORTYPE 7.CLASS 1.
BLACK OXIDE COAT PER MIL-DTL-13924.
PASSIVATE IN ACCORDANCE WITH AMS2700METHOD 1TYPE 6 ORTYPE 7.CLASS 1.
MATERIAL
CODE:
“”-LOW CARBON STEEL
“A”-ALUMINUM ALLOY
“B”- BRASS.
C”CORROSION-RESISTANT STEEL
“N”- WEAR/GALLING RESISTANT CRES
FINISH CODE:“P”- INDICATES BLACK OXIDE COATED FOR CORROSION-RESISTANT STEEL ONLY.
NAS620-1 0 – NO. 1 0 STEEL WASHER, CADMIUM PLATED, .063 INCH THICK.
NAS620A1 0L – NO. 1 0 ALUMINUM ALLOY WASHER, LIGHT SERIES, .032 INCH THICK.
NAS620B1 0 – NO. 1 0 BRASS WASHER, CADMIUM PLATED, DYED LIGHT BLUE, .063 INCH THICK.
NAS620C1 0 – NO. 1 0 CORROSION-RESISTANT STEEL WASHER, PASSIVATED, .063 INCH THICK.
NAS620C1 0P – NO. 1 0 CORROSION-RESISTANT STEEL WASHER, BLACK-OXIDE COATED, .063 INCH THICK.
NAS620N1 0 – NO. 1 0 WEAR/GALLING RESISTANT CRES WASHER, .063 INCH THICK.
NOTES: UNLESS OTHERWISE SPECIFIED
1 . DIMENSIONS IN INCHES.
2. TOLERANCES:
ALL WASHERS MUST BE FLAT WITHIN .007 INCH AND PARALLEL WITHIN .002 INCH.
TOLERANCE ON THICKNESS “T” IS TO BE IN ACCORDANCE WITH THE SHEET TOLERANCE REQUIREMENTS OF THE APPLICABLE MATERIAL SPECIFICATION.
3. REMOVE ALL BURRS AND SHARP EDGES BEFORE PLATING. DIMENSIONS SHALL BE MET AFTER PLATING.
4. USE MS1 5795 WASHERS OR NAS1 1 49 WASHERS WHENEVER PRACTICAL.
5. THESE WASHERS ARE PRIMARILY FOR USE TO MOUNT COMPONENTS IN AREAS OF BEND RADII AND OTHER INTERFERENCES.
6. REFERENCED DOCUMENTS SHALL BE OF THE ISSUE IN EFFECT ON DATE OF INVITATION FOR BID.
7. THIS STANDARD TAKES PRECEDENCE OVER DOCUMENTS SPECIFIED HEREIN.
8. UNLESS OTHERWISE SPECIFIED, PART INVENTORY MANUFACTURED TO PREVIOUS REVISIONS OF THE APPLICABLE DRAWING OR SPECIFICATION MAY BE PROCURED AND USED UNTIL STOCK IS DEPLETED.

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