ShopAmerex.com · Amerex 02272-P001 datasheet · https://shopamerex.com/products/amerex-02272-p001-cap-gasket · Figures as published by Amerex · Verified Sep 2, 2026
Genuine Amerex service part·Part no. 02272-P001
Amerex 02272-P001 Cap Gasket
Amerex 02272-P001 is the cap gasket (Amerex part 02272-P, item 2) that seals the agent cylinder fill cap on cylinder-operated wheeled extinguishers. Full overview ↓
- Part no.
- 02272-P001
- Pack
- Pack of 1
- Fits
- 450, 452, 491 +3 more
- Parts Book
- Page 19
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Genuine Amerex part from an authorized Amerex distributor. Not a generic substitute.
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Which models does the Amerex 02272-P001 fit?
Per the Amerex Parts Book · page 19| Fits | Extinguisher | UL rating | Capacity | Price | Link |
|---|---|---|---|---|---|
| Model 450 |  11483 Amerex 450 125 lb Wheeled ABC Fire ExtinguisherParts Book p.18 (PDF p.20) |
30A:240B:C | 125 lb (57 kg) | $4,960.00 | View |
| Model 452 |  10643 Amerex 452 125 lb Wheeled Purple K Fire ExtinguisherParts Book p.18 (PDF p.20) |
320B:C | 125 lb (57 kg) | $6,671.00 | View |
| Model 491 |  11677 Amerex 491 300 lb Wheeled ABC Fire ExtinguisherParts Book p.19 (PDF p.21) |
40A:320B:C | 300 lb (136.07 kg) | $9,515.00 | View |
| Model 493 |  15505 Amerex 493 300 lb Wheeled Purple K Fire ExtinguisherParts Book p.19 (PDF p.21) |
320B:C | 300 lb (136.07 kg) | $9,413.00 | View |
| Model 680R |  10897 Amerex 680R 150 lb Wheeled Sodium Chloride Fire ExtinguisherParts Book p.23 (PDF p.25) |
150 lb | $12,075.00 | View | |
| Model 681R |  10898 Amerex 681R 250 lb Wheeled Copper Powder Fire ExtinguisherParts Book p.23 (PDF p.25) |
250 lb | $16,921.00 | View |
Parts list for 125/150 lb. dry chemical wheeled models, 110 cu. ft. nitrogen cylinder
Fitment per the Amerex Parts Book. Check the part number against your unit’s nameplate before ordering.
What is the Amerex 02272-P001?
Amerex 02272-P001 is the cap gasket (Amerex part 02272-P, item 2) that seals the agent cylinder fill cap on cylinder-operated wheeled extinguishers. The Parts Book lists it for the 110 cu. ft. models (467, 469, 470, 472), the 23 cu. ft. models (450, 452), the 55 cu. ft. models (491, 493) and the Argon-charged 680R/681R Class D units, Parts Book p.17-23. At annual maintenance the owner's manual has the technician remove the gasket, check it for wear, cracks or tears, replace it if necessary, then lightly lubricate it with V-711 and reinstall. The Parts Book notice states Amerex replacement parts must be used to protect the UL listing and keep the warranty in effect.
Amerex 02272-P001 specifications
| Part number | 02272-P |
|---|---|
| Description | Gasket, Cap |
| Parts Book page | Printed p.17 (PDF p.19) |
| Diagram item | 2 |
| Pack quantity | 1 |
| Models | 467, 469, 470, 472, 450, 452, 491, 493, 680R, 681R |
|---|
| Amerex item number | 02272-P001 |
|---|
Part data as published by Amerex. Confirm against the current Parts Book revision before ordering for a unit in service.
Amerex 02272-P001 documents
Official Amerex publications · PDF- Parts Book p. 19 Parts list for 125/150 lb dry chemical, 110 cu. ft. nitrogen cylinder wheeled models 467, 469, 470, 472
- Owner's Service Manual (05605) Wheeled 125/150 lb N2 cylinder operated - models 450/452/467/469/470/472
- Owner's Service Manual (05614) Wheeled 300/350 lb N2 cylinder operated - models 491/492/493
- Owner's Service Manual (05620) Wheeled 150/250 lb Class D - models 680/681
- Tech Tip - Amerex Products Need Amerex Parts Why genuine Amerex parts
- Amerex Warranty Statement
Current Amerex publications, hosted on ShopAmerex so links do not break when Amerex reorganizes its site.
Other parts on Parts Book page 19
Parts list for 125/150 lb. dry chemical wheeled models, 110 cu. ft. nitrogen cylinder · All 29 parts| Part no. | Part | Pack | Price | Quantity and add to cart |
|---|---|---|---|---|
| 02234 | Pack of 1 | $113.00 | ||
| 02235 | Pack of 1 | $1,152.00 | ||
| 04128 | Pack of 1 | $1,606.00 | ||
| 04444 | Pack of 1 | $69.99 | ||
| 04523 | Pack of 1 | $28.99 | ||
| 06032 | Pack of 1 | $88.99 | ||
| 06993 | Pack of 1 | $176.00 | ||
| 07025 | Pack of 1 | $903.00 |
Item numbers refer to the exploded view on the Parts Book page. Model-specific items are marked in the Amerex parts list; confirm before ordering.
Amerex 02272-P001 questions
What does the Amerex 02272-P001 gasket fit?
The agent cylinder fill cap on the 110, 23 and 55 cu. ft. nitrogen wheeled units (models 467, 469, 470, 472, 450, 452, 491, 493) and the Argon-charged 680R/681R units.
When is it replaced?
At annual maintenance the owner's manual has the technician remove the fill cap gasket and check it for wear, cracks or tears, replacing it if necessary.
Does it need lubrication?
Yes - the manual directs lightly lubricating the gasket with V-711 before reinstalling it, at annual maintenance and again during recharge.
What else is cleaned at the same time?
The manual directs cleaning the fill cap threads and the cap's thread vent port with a stiff bristle nylon brush.
Where is it listed in the Parts Book?
Item 2 on printed p.17 (PDF p.19), p.18, p.19 and p.23.
How many are in the pack?
The -P001 suffix is a pack of one gasket.
Why use the genuine Amerex part?
The Parts Book notice states the Amerex warranty is voided by generic, off-the-shelf or substitute parts, and that failure to use Amerex replacement parts could cause the extinguisher to malfunction.