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Here are some individual items, and then kits with common spare parts for a 2465 Piston Gauge. Note that the first part of the description is often the old Ruska part number.

Low Range Piston with Current Style Bearings, Races and Retainers (Correct order of parts noted – bottom to top). Old style is shown at bottom of article and has a different filter retainer and lower thrust bearing.

  • Filter (24-580), Part Number: 3872776 is a pack of 5 filters (single filter part number 3899971 is not orderable)
  • Filter retainer (2460-4-27), Part Number: 3896234
  • Lower thrust bearing (2460-4-25), Part Number: 3872832
  • O-Ring (54-703-119), Part Number: 3865261
  • Piston-Cylinder (o-ring groove on cylinder down)
    Upper Thrust Bearing (2460-5-6), Part Number: 3872898
  • Upper Thrust Washer/Piston Retainer (2460-5-5), Part Number: 3896252

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Mid Range 100 psi piston assembly

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Here is the unique upper thrust bearing for the mid 100 psi piston assembly

UPPER THRUST BEARING, ASSY (2460-21), Part Number: 3872783

Individual Items (might be available in below kits also)
Part Number   Description
3865048   54-700-239,DRIVE BELT, EPDM, 65 DURO, BLACK, PARKER 2-239-E751-65
3896234   2460-4-27,RACE, LOWER BEARG & FILT RETAINER USE W/2460-4-25
3872776   24-580-P,FILTER 27MM 8 MICRON,  PACKAGE OF 5
3872832   2460-4-25,THRUST BEARING, LOWER, CLEANED & PACKAGED
3872898   2460-5-6,UPPER THRUST BEARING,  CLEANED & PACKAGED
3865261   (54-703-119) O-RING VITON 15/16 X 3/32 XSEC #2-119
Bottom of all four P/Cs -- 2 ea are used with the Mid-Low P/C
3864840   (54-700-119),O-RING BUNA N 15/16 X 3/32 XSEC
Bottom of all four P/Cs -- 2 ea are used with the Mid-Low P/C
Same as above (3865261 but different material)
3864922   (54-700-15) O-RING BUNA N 9/16 X 1/16 XSEC 
Mid-Hi range P/C upper o-ring
3865238   (54-703-113) O-RING VITON 9/16 X 3/32 XSEC
High range P/C upper o-ring
3873027   (2460-6-7,R RTNG-MASS, .0149/.0164 GRAMS) for 1000 psi V model piston. Sorted to be within this mass range.
3866144   (68-754) RETAINING RING 5304-15 TRUARC .156 SHAFT. Used in 2465-730 mid high 500 psi piston, SN starts with G, 
retaining ring mass typically 173 mg. This does not come with a cal report.
     
3873769  

2470-102,SPARE PARTS &,ACCESSORIES

*** Note that this is for a 2470 piston gauge ***

includes these parts
PN Qty Description
3873778 5 2470-1-9,FILTER -3000PSI AIR,GAGE
3915423 1 87-104,TWEEZER: NICKEL SILVER #57.403
3899971 5 24-580,FILTER, MEMBRANE, 25MM, 8 MICRON, SEE GP COMENTS
3872832 1 2460-4-25,THRUST BEARING, LOWER, CLEANED & PACKAGED
3872898 1 2460-5-6,UPPER THRUST BEARING,  CLEANED & PACKAGED
3974971 1 MANUAL,USER,RUSKA 2470
3904996 1 45-351,GREASE KRYTOX GRADE GPL-203 PACKAGED IN A 1/2 OUNCE SYRINGE
3865206 5 54-703-109,O-RING VITON 5/16  ID X  3/32 XSEC 70 DURO
3865223 5 54-703-112,O-RING, VITON 1/2 X 3/32 70 DURO
3865261 5 54-703-119,O-RING VITON 15/16 X     3/32 XSEC   #2-119
     
     
3873367   2465-752-400,SET-UP KIT
includes these parts
PN Qty Description
3899971 5 24-580,FILTER, MEMBRANE, 25MM, 8 MICRON, SEE GP COMENTS
3872832 1 2460-4-25,THRUST BEARING, LOWER, CLEANED & PACKAGED
3896234 1 2460-4-27,RACE, LOWER BEARG & FILT RETAINER USE W/2460-4-25
3896252 1 2460-5-5,THRUST WASHER, UPPER, (UPPER BEARING RACE)
3872898 1 2460-5-6,UPPER THRUST BEARING,  CLEANED & PACKAGED
3896283 2 2460-7-2,GASKET - BELL JAR BOTTOM (more details at end of this article)
3900719 2 2465-87-1,SPACER, FPI CALIBRATION (.200 IN THICK RING)
3900728 1 2465-87-2,SPACER, FPI CALIBRATION (.100 THICK RING)
166306 5 FUSE,.25X1.25,0.25A,250V,SLOW
3905017 1 45-353,DUPONT KRYTOX 240 AA FLUORINATED GREASE 35 C-STOKES @ 38C,AEROSPACE GRD
3864782 3 54-700-111,O-RING:BUNA N 7/16 ID X  3/32 XS (5/8 OD) 70 DURO
3865238 3 54-703-113,O-RING VITON 9/16 X      3/32 XSEC
3865261 3 54-703-119,O-RING VITON 15/16 X     3/32 XSEC   #2-119
3905969 2 58-392,KIMWIPES TYPE 34155
3915423 1 87-104,TWEEZER: NICKEL SILVER #57.403
3916631 1 94-608,WRENCH, ALLEN 3/32
3134337 2 101398,GLOVES,NY,FLUKE LOGO,PAIR
     
     
3873048   2465-10,KIT REPAIR PARTS,1 KSI
includes these parts
PN Qty Description
3899971 5 24-580,FILTER, MEMBRANE, 25MM, 8 MICRON, SEE GP COMENTS
3873027 3 (2460-6-7,R RTNG-MASS, .0149/.0164 GRAMS) for 1000 psi V model piston. Sorted to be within this mass range.
3896283 1 2460-7-2,GASKET - BELL JAR BOTTOM, bell jar base (more details at end of this article)
3864782 1 54-700-111,O-RING:BUNA N 7/16 ID X  3/32 XS (5/8 OD) 70 DURO, bearing case
3865027 1 54-700-227,O-RING BUNA N 2-1/8 X    1/8 XSEC    70 DURO, bearing case
3865048 1 54-700-239,DRIVE BELT  SEE SPEC   * PARKER DBA-2-239-E751-65
3865195 3 54-703-10,O-RING VITON 1/4 X 1/16  X SEC
3865238 1 54-703-113,O-RING VITON 9/16 X      3/32 XSEC, 1 used with V high range piston
3865261 1 54-703-119,O-RING VITON 15/16 X     3/32 XSEC   #2-119, above filter retainer and 1 used with C mid-range piston
3865454 2 54-703-6,O-RING VIT .375 X .25 X  0.063
3900227 1 24-649,FTG FILTER DISC , BRASS
3865011 1 54-700-22,O-RING BUNA N 1 X 1/16   XSEC = 1-1/8 O.D
3865053 1 54-700-259,O-RING BUNA N 6-1/4" X 1/8" CROSS SECTION, top of bell jar (more details at end of this article)
     
     
3873053   2465-100,CLEANING KIT PIST/CYL, HI/MED/LO BRUSH SIZES
includes these parts
PN Qty Description
3905969 2 58-392,KIMWIPES TYPE 34155
3912570 2 7-680,BRUSH SMALL #202 (SHICK)
3911891 1 74-230,SOAP BAR, P/C CLEANING
3912581 1 7-681,BRUSH, 1.37 DIA X 4 LONG FISHER 03-572-5*
3912596 1 7-682,BRUSH, 3/4 DIA X 3-1/2 FISHER 03-578* ONLY
3134337 1 101398,GLOVES,NY,FLUKE LOGO,PAIR
     
Tool for upper mid-range gas pc  
3863756 1 2-776,TOOL:RTNGRG,SIZE 15 TRUARC KL-0154 SEE GP
Tool for high gas pc
3863742 1 2-774,TOOL:RTNGRG,SIZE 12 TRUARC CR-0124 SEE GP
     
Misc Tools
3900171 1 2460-70-5,TOOL, FOR CLEANING MID-RANGE CYLINDER
3872880 1 2460-56,LOW RANGE CLEANING, TOOL

 

High range piston retaining ring 

3873027   (2460-6-7,R RTNG-MASS, .0149/.0164 GRAMS) for 1000 psi V model piston. Sorted to be within this mass range.

 

Low range piston with Older Style Bearings, Races and Retainers (Correct order of parts noted – bottom to top):
Filter (24-580)
Lower Thrust Washer (91-109)
Lower Thrust Bearing (5-125)
Filter Retainer (2460-4-23)
O-ring (54-703-119)
Piston-Cylinder (o-ring groove on cylinder down)
Upper Thrust Bearing
Upper Thrust Washer/Piston Retainer

Bell Jar Parts

Here are the vacuum bell jar parts. The tall version is the only version that has been available for many years. The acrylic tube is 16.2 cm (6.38 in) tall and 17.8 cm (7.0 in) outside diameter, 16.6 cm (6.53 in) inside diameter at bottom edge.

3896283 (2460-7-2) GASKET, BELL JAR BOTTOM - bottom bell jar seal that sits on the 2465
3865053 (54-700-259), O-RING BUNA N 6-1/4" X 1/8" CROSS-SECTION - seals acrylic tube to aluminum top piece

3900704 (2465-85), LID BELL JAR (TOP) - aluminum top piece, solid
3900956 (2468-82-1), BODY, BELL JAR, TALL (TUBE) - acrylic tube only

3873431  (2465-88),BELL JAR ASSY, TALL, WITH GASKET - Entire bell jar assembly including                       acrylic tube, aluminum top piece, top o-ring, and bottom 2465 gasket

2493420 (102496) Krytox® GPL205/6 High Temp Lubricant, 0.5 oz. tube - grease for the seals

The bell jar top lid is aluminum and has a groove in it for an o-ring. These both press fit into the tube. The bell jar top lid is only available with purchase of the bell jar assembly.

The below image is of the bottom of the tube with dimensions in inches.

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end of article