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Hindustan Aeronautics Limited Mechanical Seal for Airborne Application Tender Bangalore Karnataka 2026

Bid Publish Date

12-Aug-2026, 7:54 am

Bid End Date

03-Sep-2026, 11:00 am

Progress

Issue12-Aug-2026, 7:54 am
AwardPending

Key Highlights

  • OEM CoC mandatory with bid submission
  • Delivery in two lots: 20 units first, 20 units after 1-year gap
  • Option to increase quantity up to 25% at contracted rates
  • GST to be borne by bidder; reimbursement as actuals or lower rate

Tender Overview

Hindustan Aeronautics Limited (Department of Defence Production) in BANGALORE, KARNATAKA is inviting bids for a Mechanical Seal for Airborne Application. The procurement includes a staggered delivery plan: first lot of 20 units delivered within the standard lead time, and a second lot of 20 units after a 1-year gap. Bidders must provide an OEM CoC and clearly indicate delivery lead times in the compliance sheet. The tender allows an option to increase quantity by up to 25% at contracted rates during or after the contract, with delivery time adjustments based on the extended quantity. GST handling is on the bidder’s responsibility with reimbursement at actuals or applicable lower rates. Submission requirements include GSTIN, PAN, cancelled cheque, and EFT mandate. The tender emphasizes upload of a duly signed compliance sheet and adherence to the OEM terms. Location-based context and staggered delivery structure are key differentiators in this HAL procurement.

Technical Specifications & Requirements

  • Product category: Mechanical Seal for airborne application (no detailed specs provided in data).
  • Quantity planning: 20 units in first lot; 20 units in second lot.
  • Delivery cadence: standard lead time for first lot; second lot delivered after a 1-year gap from first lot.
  • Compliance documents: OEM CoC, signed compliance sheet, and lead-time clearly stated.
  • Other requirements: GST compliance by bidder, GST invoice and GST portal confirmation required on GeM portal, and bank details supplied with bid.
  • Commercial terms: option to increase order by up to 25%; delivery period adjustments based on quantity changes; GST reimbursement as actuals or applicable lower rate.

Terms, Conditions & Eligibility

  • EMD/guarantee: not specified in data; bidders must consider standard tender practices (EOI/EMD per procurement norms).
  • Delivery terms: staggered two-batch delivery with explicit lead times; extension rules apply for quantity variations.
  • Documentation: provide PAN, GSTIN, cancelled cheque, EFT mandate, and OEM CoC; upload signed compliance sheet.
  • GST handling: bidder bears GST impact; reimbursement aligned to actuals or lower applicable rate.
  • Compliance: adherence to OEM terms and timely submission of all required documents; ensure portal invoicing aligns with GST requirements.
  • Price/fee: quoted at contracted rates; option to adjust quantity up to 25% during contract tenure.

Key Specifications

  • Product: Mechanical Seal for airborne application

  • Quantity: 20 units (first lot); 20 units (second lot)

  • Delivery: standard lead time for first lot; second lot after 1-year gap

  • OEM CoC required

  • Compliance sheet must be filled and signed

  • GST handling by bidder; GST invoice via GeM portal

Terms & Conditions

  • Delivery in two lots with specified timeframes

  • Option to increase quantity up to 25% at contracted rates

  • Mandatory OEM CoC and signed compliance sheet

  • GST compliance and portal invoicing responsibilities

Important Clauses

Delivery Schedule

Two-batch delivery: 1st lot 20 units within standard lead time; 2nd lot 20 units after a 1-year gap.

Option Clause

purchaser may increase quantity up to 25% at contracted rates during or after contract period.

GST & Invoicing

Bidder bears GST; reimbursement based on actuals or lower applicable rate; GST invoice must be uploaded on GeM with payment confirmation.

Bidder Eligibility

  • OEM authorization or CoC for mechanical seals used in airborne applications

  • Ability to deliver in two staggered lots with documented lead times

  • Compliance with GST, PAN, and EFT mandate submission

  • Financial capability to handle staged deliveries and potential quantity variations

Tender Data

Bid Details

Quantity

40

Bid Type

Single Packet Bid

Bid Validity

180 (Days)

Bid Type

Service

Evaluation

Total value wise evaluation

Inspection Required

Yes

Tech Clarification Time

2 Days

Preference & Exemptions

EMD Required

No

MSE Purchase Preference

Yes

MSE Preference Band

L1+15%

MSE Exemption/Relaxation

Yes

Startup Exemption/Relaxation

Yes

Bid Splitting Applied

No

Requirements

Arbitration Clause

No

Mediation Clause

No

Additional Tender Data

Commercial Details

Tender Category

Goods

Bid To RA

No

Bid To RA Enabled

No

Item Category

MECHANICAL SEAL FOR AIRBORNE APPLICATION

Payment Timelines

Payments shall be made to the Seller within 45 days of issue of consignee receipt-cum-acceptance certificate (CRAC) and on-line submission of bills (This is in supersession of 10 days time as provided in clause 12 of GeM GTC)

Delivery Details

Max Delivery Days

20

Delivery Locations

1

Delivery Cities

BANGALORE CITY

Delivery Locations

ConsigneeAddressCityStatePincodeQuantityDelivery DaysAdditional Requirement
-BANGALORE CITYBANGALORE CITY---20-

Authority Records

MINISTRY OF DEFENCEDEFENCE PRODUCTION DEPARTMENT

BID & GeM Expert Consultancy

End-to-end support — bid preparation, GeM registration, document filing & compliance by industry experts.

Bid Preparation GeM Registration Document Filing

Free consultation · 24h response

Documents 3

GeM-Bidding-9737248.pdf

Main Document

Other Documents

OTHER

GEM General Terms and Conditions Document

GEM_GENERAL_TERMS_AND_CONDITIONS

Authority & Contact

Office Name

Not disclosed yet

Grievance Contact

[email protected]

Categories 22

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Required Documents

1

PAN Card copy

2

GSTIN copy

3

Cancelled cheque copy

4

EFT mandate certified by bank

5

OEM CoC (Original Equipment Manufacturer Certificate)

6

Duly signed compliance sheet

7

Delivery lead time stated in compliance sheet

8

Bank details with supporting documents

Frequently Asked Questions

Key insights about KARNATAKA tender market

How to bid for HAL Bangalore airborne mechanical seal tender 2026

Bidders must submit PAN, GSTIN, cancelled cheque, EFT mandate, OEM CoC, and a signed compliance sheet. Include delivery lead times for two lots: 20 units now and 20 units after a 1-year gap. Ensure GST is handled by the bidder with GST invoice uploaded on GeM.

What documents are required for HAL mechanical seal procurement in Bangalore

Required documents include PAN card copy, GSTIN, cancelled cheque, EFT mandate, OEM CoC, and a duly signed compliance sheet with stated delivery lead times. Also provide bank details and ensure GST invoicing via GeM portal.

What are the delivery requirements for HAL airborne seal tender 2026

Delivery is in two lots: first lot of 20 units within standard lead time; second lot of 20 units with a 1-year gap. The option to increase quantity up to 25% at contracted rates applies during the contract period.

What standards or certifications are required for HAL seal bid

An OEM CoC is required; there is no explicit IS/ISO standard listed in data, but OEM certification and compliance sheet are mandatory for qualification and delivery readiness.

How is GST handled in HAL Bangalore mechanical seal tender

GST is bidder’s responsibility; reimbursement will be as per actuals or the lower applicable rate. A GST invoice and GeM payment confirmation must be uploaded.

What is the impact of the 25% quantity option on delivery

If exercised, additional time equals (Increased quantity ÷ Original quantity) × Original delivery period, with a minimum of 30 days; extended time may be up to the original delivery period.

When will HAL require the signed compliance sheet and OEM CoC

The compliance sheet must be duly filled, signed, and uploaded with the bid. OEM CoC must accompany the bid submission to validate eligibility and ensure delivery readiness.

What is the two-lot delivery structure for HAL procurement

First lot: 20 units within standard lead time. Second lot: 20 units with a 1-year gap from the first lot delivery. This schedule governs contract performance and payment milestones.