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Department of National Defence (DND)

Ensemble d'étanchéité

Request for Proposal (RFP)
Estimated value
Not disclosed
Deadline
August 27, 2026
Published
August 12, 2026
Type
Goods
Explore similarManufacturing Components and Supplies
Awarded
This contract has been awarded. Details are drawn from the federal award notice for this solicitation.
Winning supplier
A.W. CHESTERTON COMPANY LTD
Award date
2026-09-08
Supplier location
Dartmouth, Ns
Request for Proposal

Full description

The Department of National Defence has a requirement for the items detailed below. The delivery is requested at CFB Halifax and CFB Esquimalt.

Line Item: 001 SEAL ASSEMBLY
Part Number: 342563 NCAGE: L3636 CHESTERTON CO LTDCHESTERTON ATLANTIC
GSIN: 5330 Quantity: 6 UoI: EA to be delivered to: CFB Halifax

Line Item: 002 SEAL ASSEMBLY
Part Number: 342563 NCAGE: L3636 CHESTERTON CO LTDCHESTERTON ATLANTIC
GSIN: 5330 Quantity: 4 UoI: EA to be delivered to: CFB Esquimalt

Bidders proposing an Equivalent or a Substitute Product must indicate the brand name and model and/or Part Number and the NCAGE they are offering.

The requirement is subject to a preference for Canadian goods and/or services.

The Crown retains the rights to negotiate with suppliers on any procurement.
Documents may be submitted in either official language of Canada.

Selection criteria

Lowest Price

AI Summary

DND seeks seal assemblies for CFB Halifax and CFB Esquimalt.

AI Analysis

Get a plain-English breakdown of this tender — what they need, who can bid, how to approach it, and tips for small suppliers. Takes a couple of seconds.

Basic information

Reference
cb-291-44852968
Solicitation no.
W8482-275532/A
Buyer
Department of National Defence (DND)
Notice type
Request for Proposal
Method
Competitive - Open bidding
Procurement category
*GD
Trade agreements
*Canadian Free Trade Agreement (CFTA)
Estimated value
Not disclosed
Source
canadabuys

Classification & terms

UNSPSC
UNSPSC 31000000 — Manufacturing Components and Supplies

Delivery & regions

Regions of opportunity
*World
Regions of delivery
*British Columbia *Canada *Nova Scotia

Key dates

Published
August 12, 2026
Closes
August 27, 2026
Amendment no.
001

Contact

Contact
M•••••• H••••
Email
m••••••••@••••••.••.ca
Address
••• ••••••• •• •••••, ••••••, ••, ••• •••, ••••••
Sign up free to see the contact details

Likely incumbents

(5)

Suppliers who have won similar work from this buyer before.

  1. 1
    Simex Defence inc
    8 contracts won· latest July 21, 2026
    CAD $104.2K
    total awarded
  2. 2
    Simex Defence Inc.
    7 contracts won· latest August 25, 2026
    CAD $774.5K
    total awarded
  3. 3
    SIMEX DEFENCE
    3 contracts won· latest October 8, 2025
    CAD $407K
    total awarded
  4. 4
    Unisource Technology Inc.
    3 contracts won· latest June 17, 2026
    CAD $59.9K
    total awarded
  5. 5
    GCPROC LTD
    3 contracts won· latest August 26, 2026

Simex Defence inc is the most likely incumbent, based on how often and how recently they have won this buyer’s work in this category. To displace them, expect to need a clearly stronger proposition or price.

Documents

(1)
Complete source record(26)
Title
Seal Assembly
Reference number
cb-291-44852968
Amendment number
000
Solicitation number
W8482-275532/A
Publication date
2026-08-12
Tender closing date
2026-08-27T14:00:00
Tender status
Open
Unspsc
*31140000
Unspsc description
*Moldings
Procurement category
*GD
Notice type
Request for Proposal
Procurement method
Competitive - Open bidding
Selection criteria
Lowest Price
Trade agreements
*Canadian Free Trade Agreement (CFTA)
Regions of opportunity
*World
Regions of delivery
*British Columbia *Canada *Nova Scotia
Contracting entity name
Department of National Defence (DND)
Contracting entity address line
101 Colonel By Drive
Contracting entity address city
Ottawa
Contracting entity address province
ON
Contracting entity address postal code
K1A 0K2
Contracting entity address country
Canada
Contact info name
M•••••• H••••
Contact info email
m••••••••@••••••.••.ca
Attachment
https://canadabuys.canada.ca/sites/default/files/webform/tender_notice/103360/w8482-275532-rfp-en.pdf,https://canadabuys.canada.ca/sites/default/files/webform/tender_notice/103360/w8482-275532-annex-osd-en.pdf,https://canadabuys.canada.ca/sites/default/files/webform/tender_notice/103360/w8482-275532-annex-sor-and-osd-en.xlsx,https://canadabuys.canada.ca/sites/default/files/webform/tender_notice/103360/w8482-275532-annex-sor-en.pdf
Tender description
The Department of National Defence has a requirement for the items detailed below. The delivery is requested at CFB Halifax and CFB Esquimalt. Line Item: 001 SEAL ASSEMBLY Part Number: 342563 NCAGE: L3636 CHESTERTON CO LTDCHESTERTON ATLANTIC GSIN: 5330 Quantity: 6 UoI: EA to be delivered to: CFB Halifax Line Item: 002 SEAL ASSEMBLY Part Number: 342563 NCAGE: L3636 CHESTERTON CO LTDCHESTERTON ATLANTIC GSIN: 5330 Quantity: 4 UoI: EA to be delivered to: CFB Esquimalt Bidders proposing an Equivalent or a Substitute Product must indicate the brand name and model and/or Part Number and the NCAGE they are offering. The requirement is subject to a preference for Canadian goods and/or services. The Crown retains the rights to negotiate with suppliers on any procurement. Documents may be submitted in either official language of Canada.

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