# DIBBS #SPE7M4-26-T-413F

DLA Solicitation for 2,232 Mil-Spec O-Rings (NSN 5331-01-645-9434)

**Posted:** September 16, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE7M4-26-T-413F
**NAICS:** 339991, 423840

The Defense Logistics Agency (DLA) Land and Maritime Fluid Handling Division is soliciting quotations for Mil-Spec O-Rings (NSN 5331-01-645-9434).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Fluid Handling Division
- Products Requested:
  - O-Ring, NSN 5331-01-645-9434 (Mil-Spec)
  - Quantity: 2,232 units
  - Part Number: 5331-01-645-9434
- Requirements:
  - Strict compliance with MIL-STD-2073-1E and MIL-STD-129 for packaging, inspection, and marking
  - Oxygen clean packaging and hazardous material labeling required
  - Compliance with domestic sourcing laws
  - Prohibition on covered defense telecommunications equipment
  - Delivery required within 128 days from award, FOB origin
- OEMs and Vendors:
  - No specific OEMs or approved sources identified; open to qualified manufacturers
- Technical documentation available via DLA tech docs link

### Description

O-RING (QTY: 2232, NSN: 5331-01-645-9434 Mil-Spec, Purchase Request: 7018271536)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M426T413F)
