# DIBBS #SPE7M1-26-U-6478

DLA Land and Maritime Solicits Seal Assembly, Shaft (NSN 4320-01-692-5912) IDC

**Posted:** September 22, 2026
**Respond By:** October 06, 2026
**Identifier:** SPE7M1-26-U-6478
**NAICS:** 332999

The Defense Logistics Agency (DLA) Land and Maritime Maritime Supply Chain is soliciting an Indefinite Delivery Contract (IDC) for Seal Assembly, Shaft, Spring Loaded (NSN 4320-01-692-5912).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Maritime Supply Chain
  - Buyer contact: Bryan Fair (PMCM69K)
- OEM:
  - Air & Liquid Systems Corporation (approved manufacturer)
- Product Requested:
  - Seal Assembly, Shaft, Spring Loaded
    - NSN: 4320-01-692-5912
    - Part Number: 231-31-1643
    - Quantity: Estimated annual quantity of 73 units; guaranteed minimum of 10 units
    - Packaging per MIL-STD-2073-1E; marking per MIL-STD-129
    - Delivery: FOB Origin within 115 days
- Unique/Notable Requirements:
  - Compliance with domestic sourcing laws
  - Additive manufacturing prohibited without prior approval
  - Set aside for Woman-Owned Small Businesses
  - Contract maximum value per order: $350,000
  - Estimated number of orders: 2; minimum delivery order quantity: 18 units

### Description

SEAL ASSEMBLY, SHAFT, SP (QTY: 73, NSN: 4320-01-692-5912, Purchase Request: 1000243908)
  Approved Sources:
  - CAGE: 83130, Part No: 231-31-1643, Company: AIR & LIQUID SYSTEMS CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M126U6478)