# DIBBS #SPE7M4-26-T-392R

DLA Land and Maritime Solicits 451 Synthetic Rubber O-Rings, NSN 5331-00-529-3723

**Posted:** September 11, 2026
**Respond By:** September 21, 2026
**Identifier:** SPE7M4-26-T-392R
**NAICS:** 339991

The Defense Logistics Agency (DLA) Land and Maritime Fluid Handling Division is soliciting quotations for synthetic rubber O-Rings under NSN 5331-00-529-3723.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Fluid Handling Division
  - Contact: Blake Tushar
- Products Requested:
  - O-Ring, synthetic rubber, NSN 5331-00-529-3723
    - Total quantity: 451 units (225 under CLIN 0001, 226 under CLIN 0002)
    - Part number: 5331-00-529-3723
    - Must comply with PRI QML/QPL standards
    - Packaging: MIL-STD-2073-1E, marking: MIL-STD-129
    - Shelf life: 180 months
    - Packaged in waterproof, greaseproof, opaque bags
- Unique Requirements:
  - Compliance with domestic sourcing laws
  - Prohibition on covered defense telecommunications equipment
  - Delivery FOB origin, inspection at destination
  - Technical documentation available via DLA portal
  - Fast award process
- OEMs and Vendors:
  - No specific OEMs or approved sources listed
- Period of Performance:
  - Delivery required within 105 days from contract award
  - Need-by dates: August 20, 2028 (CLIN 0001), September 10, 2026 (CLIN 0002)
- Estimated Contract Value:
  - Typical value range for similar DLA O-Ring procurements: $2,000 - $10,000

### Description

O-RING (QTY: 451, NSN: 5331-00-529-3723 Mil-Spec, Purchase Request: 7018270245)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M426T392R)