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Nordson Compatible Seals and Spare Parts Catalog

Nordson-Compatible Seals and Spare Parts Catalog

Compatible O-Rings, Shaft Seals, and Static/Dynamic Seal Components for Nordson Equipment

Introduction

Nordson equipment is widely used in hot melt dispensing, surface coating, fluid dispensing, and industrial automation. Over time, critical sealing components such as O-rings, shaft seals, and dynamic/static seals wear out and require replacement. This catalog provides an overview of commonly used sealing parts across Nordson’s major equipment series and helps you find compatible replacements for your maintenance or aftermarket needs.

ProBlue® Series Melters - Models 4, 7, and 10

Replacement Parts and Kits:

Tank, Pump, and Manifold

Part Number:	Description:
1028309	Service kit, manifold assembly (P4/P7/P10)
1019515	O-ring, Viton, 0.050 x. 0.75 x 0.125 in.
942080	O-ring, Viton, 0.625 x 0.875 in.
942111	O-ring, Viton, 0.812 x 0.062 x 0.125 in.
941161	O-ring, Viton, 0.750 x0.938 x 0.094 in.
940133	O-ring, Viton, 0.426 x 0.070 in.

Standard 15:1 Pump

Part Number:	Description:
1028303	Kit, pump, piston, 15:1, replacement
1019515	O-ring, Viton, 0.050 x. 0.75 x 0.125 in.
942111	O-ring, Viton, 0.812 x 0.062 x 0.125 in.
1028304	Service kit, pump, piston (P4, P7, P10)
940133	O-ring, Viton, 0.426 x0.070 in.
940332	O-ring, Viton, 2.00 x2.125 x0.063 in.
1019515	O-ring, Viton, 0.50 x0.75 x 0.125 in.
940181	O-ring, Viton, 0.739 x 0.70 in.
952100	Viton U-cup
954013	Backup ring, single, 7/16 x 9/16
273139	Seal, pump
940172	O-ring, Viton, 0.676 x0.070 in
940261	O-ring, Viton, 1.25 x1.375 x0.063
1017849	Backup ring, 1.273 x 0.045 thick
945037	O-ring, Viton, 1 in. tube

6:1 Pump

Part Number:	Description:
273139	Pump seal
940172	O-ring, Viton, 0.676 x0.070 in
940332	O-ring, Viton, 2.00 x2.125 x0.063 in.
1065445	Piston cup
952100	Viton U-cup

ProBlue® Series Melters - Models 15/30/50 Large Capacity

Replacement Parts

Pump and Manifold

Part Number:	Description:
1028309	Service kit, manifold assembly, double-acting pump
1019515	O-ring, Viton, 0.050 x. 0.75 x 0.125 in.
942080	O-ring, Viton, 0.625 x 0.875 in.
942111	O-ring, Viton, 0.812 x 0.062 x 0.125 in.
941161	O-ring, Viton, 0.750 x0.938 x 0.094 in.
940133	O-ring, Viton, 0.426 x 0.070 in.

Standard Output Double-Acting 15:1 Pump

Part Number:	Description:
1028304	Service kit, pump, piston (P4, P7, P10)
940133	O-ring, Viton, 0.426 x 0.070 in.
940332	O-ring, Viton, 2.00 x2.125 x0.063 in.
1019515	O-ring, Viton, 0.50 x 0.75 x0.125 in.
942111	O-ring, Viton, 0.812 x 0.062 x 0.125 in.
940181	O-ring, Viton, 0.739 x 0.70 in.
952100	Viton U-cup
954013	Backup ring, single, 7/16 x 9/16
163039	Piston cup
273139	Seal, pump
940172	O-ring, Viton, 0.676 x0.070
940261	O-ring, Viton, 1.25 x 1.375 x0.063
1017849	Backup ring, 1.273 x 0.045 thick
945037	O-ring, Viton, 1 in. tube

High Output Double-Acting 16:1 Pump

Part Number:	Description:
1058307	Service kit, pump, piston (P4, P7, P10)
940133	O-ring, Viton, 0.426 x 0.070 in.
940420	O-ring, Viton, 3.25 x3.375 x0.063 in.
1019515	O-ring, Viton, 0.50 x 0.75 x0.125 in.
942111	O-ring, Viton, 0.812 x 0.062 x 0.125 in.
940181	O-ring, Viton, 0.739 x 0.70 in.
1044194	Cup, U, Viton, 0.739 ID x 0.070 W
954013	Backup ring, single, 7/16 x 9/16
1044068	Cup, piston, pump, high output
288122	Seal, pump
940211	O-ring, Viton, 0 .938 x1.063 x0.063-021
940261	O-ring, Viton, 1.25 x1.375 x0.063
1017849	Backup ring, 1.273 x 0.045 thick
303706	O-ring, Viton, 1.47 lD x 0.118 W

Single-Acting 12:1 Pump

Part Number:	Description:
1058308	Service kit, pump, piston (P4, P7, P10)
940133	O-ring, Viton, 0.426 x 0.070 in.
940420	O-ring, Viton, 3.25 x3.375 x0.063 in.
1019515	O-ring, Viton, 0.50 x 0.75 x0.125 in.
942111	O-ring, Viton, 0.812 x 0.062 x 0.125 in.
940161	O-ring, Viton, 0.614 ID,x 0.070 W, brown
1044194	Cup, U, Viton, 0.739 ID x 0.070 W
954013	Backup ring, single, 7/16 x 9/16
1044068	Cup, piston, pump, high output
940231	O-ring, Viton, 0.50 x 0.75 x 0.125 in.
940261	O-ring, Viton, 1.25 x 1.375 x0.063
1017849	Backup ring, 1.273 x 0.045 thick
303706	O-ring, Viton, 1.47 lD x 0.118 W

DuraBlue® Series Melters - Models 4, 10, and 16 Liter

Pump

Part Number

Viton O-rings

Part Number

PA O-rings

Description

1037756

1069147

Service kit, shaft and seal, 4.9 cc/rev pump

1037757

1067876

Service kit, shaft and seal, 7.8 cc/rev pump

FoamMelt® 200 Processor

Replacement Parts and Kits

Part Number:	Description:
940111	O-ring, Viton, 0.301 1D x0.070 in. wide, brown
940141	O-ring, Viton, 0.489 lD x 0.070 in. wide, brown
941521	O-ring, Viton, 3.25 x 3.44 x 0.094 in.
940281	O-ring, Viton, 1.38 x 1.5 x 0.063 in.
955052	Seal, Viton, 12.56 lD x 0.139 in.
940342	O-ring, Viton, 2 1/8 x 2 1/4 x 1/16 in.
940161	O-ring, Viton, 0.63 in. ID
945026	O-ring, Viton, 1/4 tube
945034	O-ring, Viton, 5/16 tube
945025	O-ring, Viton, 5/8 tube
942111	O-ring, Viton, 0.81 in. ID
941240	O-ring, Viton, 1.25 in. ID
954036	O-ring, Viton, 0.239 x 0.070 in.

Series 3000V Melters Vista™ Controls, Pumps, and Manifolds

Manifold Replacement Parts

Code A、Code B、Code C、Code T、Code S、Code J

Part Number:	Description:
940101	O-ring, Viton, 0.239 x 0.070 in.
954036	Backup ring, 1/4 x 3/8 in.
941201	O-ring, Viton
940281	O-ring, Viton, 1.38 x 1.5 x 0.063 in.
120297	O-ring
941172	O-ring, Viton, 0.813 x1.000 x0.94
941220	O-ring, Viton, 1.125 x1.313 X.094

MiniBlue® II Applicators

Part Number:	Description:
945032	O-ring, Viton, 3/8 in. tube
375291	O-ring, 6*1, AFLAS 70
311484	O-ring, 7.65 x 1.78, Viton, black
305413	O-ring, Viton, 0.465 ID x 0.036 in. wall
940081	O-ring, Viton, 0.188 x 0.313 x 0.063 in.

Universal™ Applicators-Universal Applicator Filter Assembly

Part Number:	Description:
940223	O-ring. Viton.0.989 lD x0.070 W
941172	O-ring, Viton, 0.813 x1.000 x0.94

Non-Contact (Spray) Nozzles

Part Number:	Description:
254146	Quad-ring seal for Universal Signature nozzles
1043328	O-ring seal for 22 mm Universal SureWrap nozzles
1022028	O-ring seal for 25 mm Universal SureWrap nozzles

Automatic Applicators—Electric

Part Number:	Description:
940138	O-ring, Viton, blk, .438 X.563
7300512	Kit, service, O-ring, 10 pc., seal, module-to-applicator, e.dot+
7300511	Kit, service, O-ring,10 pc, seal, nozzle, e.dot+
940166	O-ring, Viton, 0.614 1D X 0.070 in. W
940166	O-ring, Viton, 0.614 1D X 0.070 in. W
940092	O-ring, Viton, 0.208 lD X 0.070 in. w

How to Identify the Right Replacement Seal

When sourcing Nordson-compatible seals, check the following:

Original Nordson part number
Dimensions (ID, OD, cross-section)
Material (e.g., Viton, NBR, PTFE, EPDM, FFKM)
Temperature & pressure ratings
Application (static/dynamic, chemical exposure)

We offer custom and off-the-shelf compatible seals based on Nordson specifications. Contact us with your OEM part number or sample, and we’ll provide a matching product.

Contact Us for a Quotation or Sample

For inquiries, OEM cross-references, or large volume purchases, please email us at xhh@xhh-smartech.com. Our technical team can help identify compatible sealing parts for your specific Nordson equipment.

Disclaimer Statement:

XHH Seals offers compatible aftermarket parts and is not an authorized dealer or affiliated with any of the original equipment manufacturers (OEMs) mentioned above. All trademarks are the property of their respective owners.