ISRO Department Of Space Neoprene O-Ring Tender 2026 in India - ASTM D412/D395 Compliance 2026
Bid Publish Date
09-Jul-2026, 10:49 am
Bid End Date
23-Jul-2026, 2:00 pm
Location
Progress
Quantity
515
Category
NEOPRENE O RING SIZE ID: 15.60+ /-0.20, CSD: 1.78+ /- 0.08
Bid Type
Single Packet Bid
Categories
4
Tender Overview
Organizational name: Indian Space Research Organization (Department Of Space). Procured items include neoprene O-rings with sizes 15.60±0.20 and CSD: 1.78±0.08, plus tensile test slab per ASTM D412 and compression set button per ASTM D395. Estimated value and start/end dates are not disclosed; quantity may vary up to 25% under option clause. Delivery terms require sample processing within one month of GeM contract and bulk supply within two months post-approval. This is a PAC bidding process; OEM authorization is mandatory. The buyer offers concessional GST and requires ATC-compliance with declared specifications. Contacts include SPRE, VSSC for delivery, payment, and clarification queries.
Technical Specifications & Requirements
- Product category: Neoprene O-rings with ASTM D412 tensile test slab and ASTM D395 compression set button
- Key dimensions: O-ring size 15.60±0.20; CSD 1.78±0.08
- Testing standards: ASTM D412 (tensile), ASTM D395 (compression set)
- Compliance evidence: Mandatorily submit ATC compliance statement; OEM Authorization Certificate required
- Delivery timeline: Samples + test slab + buttons within 1 month; bulk supply within 2 months after sample approval
- GST terms: Concessional GST rate 5% under Notification No. 9/2025 dated 17/09/2025; GST concession certificate to be issued after award
- Bid framework: PAC bidding; quantity may be increased up to 25% during contract; delivery period adjustments follow option clause
- Vendor requirements: OEM authorization, ATC compliance, and timely sample processing
Terms, Conditions & Eligibility
- EMD/guarantee: Not specified in provided terms; bidders must comply with PAC bidding requirements
- Experience/Turnover: Not explicitly stated; bidders must provide OEM authorization and ATC compliance
- Delivery terms: Initial 1 month for samples; bulk within 2 months post-approval; option to extend up to 25% quantity
- Payment terms: GST concessional rate applies; payment terms not detailed beyond GST handling
- Documents: OEM Authorization Certificate; ATC compliance statement; contact details for delivery and payments provided
- Clauses: PAC bidding, scope limited to supply of goods; Bidders must respond to ATC and provide required certifications
- Contacts: SPRE (Stores Officer) and Accounts Office contact details included for queries
Key Specifications
-
- Product: Neoprene O-rings with ASTM D412 tensile test slab and ASTM D395 compression set buttons
-
- Size: 15.60±0.20 (O-ring), CSD: 1.78±0.08
-
- Testing/Quality: ASTM D412 tensile; ASTM D395 compression set
-
- Certification: OEM Authorization Certificate required; ATC compliance
-
- Delivery: Test slabs and buttons within 1 month; bulk within 2 months after sample approval
-
- GST: 5% concessional rate; certificate issued post-award
Terms & Conditions
-
Option quantity increases up to 25% during contract
-
PAC bidding structure; ATC compliance mandatory
-
OEM Authorization required; samples processed before bulk supply
Important Clauses
Payment Terms
GST concessional rate of 5% applies; exact payment milestones not detailed in the provided terms
Delivery Schedule
Samples + test slab + buttons to be supplied within 1 month of GeM contract; bulk supply within 2 months after sample approval
Penalties/Liquidated Damages
Not specified in the provided terms
Bidder Eligibility
-
Must provide OEM Authorization Certificate
-
Must submit ATC compliance statement with bid
-
Must comply with PAC bidding terms and sample timelines
Additional Tender Data
Commercial Details
Tender Category
Goods
Bid To RA
No
Bid To RA Enabled
No
Item Category
NEOPRENE O RING SIZE ID: 15.60+ /-0.20, CSD: 1.78+ /- 0.08 , NEOPRENE O RINGS TENSILE TEST SLAB AS PER ASTM D412 , NEOPRENE O RING COMPRESSION SET BUTTON AS PER ASTM D395
Delivery Details
Max Delivery Days
120
Delivery Locations
1
Delivery Cities
Thiruvananthapuram
Delivery Pincodes
695022
Delivery Locations
| Consignee | Address | City | State | Pincode | Quantity | Delivery Days | Additional Requirement |
|---|---|---|---|---|---|---|---|
| Sreeraj S | 695022,TERLS AREA, VIKRAM SARABHAI SPACE CENTRE, THUMBA PO, THIRUVANANTHAPURAM CITY, 695022 | Thiruvananthapuram | Kerala | 695022 | 500 | 120 | - |
Authority Records
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Documents 6
GeM-Bidding-9550304.pdf
Main Document
Other Documents
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GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS
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Required Documents
GST registration certificate
PAN card
OEM Authorization Certificate
ATC compliance statement
Technical bid documents demonstrating compliance with ASTM D412 and D395
Financial statements or evidence of financial capability
Any prior similar supply certificates or experience letters
Frequently Asked Questions
Key insights about KERALA tender market
How to bid on ISRO neoprene O-ring tender in India 2026
Bidders must submit OEM Authorization Certificate and ATC compliance with the bid. Include ASTM D412 and D395 test evidence, provide GST concession details, and ensure delivery timelines of 1 month for samples and 2 months for bulk supply after sample approval.
What documents are required for ISRO neoprene O-ring procurement
Required documents include GST registration, PAN, OEM Authorization Certificate, ATC compliance statement, technical bid showing ASTM D412/D395 compliance, and financial statements. Ensure all documents align with PAC bidding terms and supplier contacts for delivery and payment queries.
What are the technical specifications for neoprene O-rings tender
Specifications specify O-ring size 15.60±0.20, CSD 1.78±0.08, and testing per ASTM D412 for tensile strength plus ASTM D395 for compression set. Compliance must be demonstrated via ATC and OEM authorization; bulk supply follows successful sample testing.
When is the delivery schedule for ISRO neoprene O-rings
Delivery requires samples, test slab, and buttons within 1 month of contract. Bulk supply must occur within 2 months after sample approval, with option to extend up to 25% quantity during the contract period.
What is the GST treatment for this ISRO procurement
The buyer applies a concessional GST rate of 5% under Notification No. 9/2025; a certificate confirming concessional eligibility will be issued after award, reducing GST payable on bid price.
How to prove OEM authorization for neoprene O-ring bid
Submit the official OEM Authorization Certificate along with ATC compliance; without these, bids will be rejected at evaluation. Ensure certificate covers the exact product category and model compatibility.
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Documents 6
GeM-Bidding-9550304.pdf
Main Document
Other Documents
OTHER
Other Documents
OTHER
Other Documents
OTHER
Other Documents
OTHER
GEM General Terms and Conditions Document
GEM_GENERAL_TERMS_AND_CONDITIONS