# DIBBS #SPE7M4-27-T-0665

DLA solicitation for 3,478 aerospace O-rings

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7M4-27-T-0665
**NAICS:** 423840

The Defense Logistics Agency is seeking aerospace-use O-rings for its Weapons Support Fluid Handling Division.
- **Buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Fluid Handling Division; contact: Blake Tushar.
- **Requirement:** 3,478 O-rings under RFQ SPE7M4-27-T-0665.
  - NSN: 5331-00-641-3763; part piece number: MS28775-221.
  - Must conform to SAE AS28775A, Revision A.
- **Notable requirements:** Critical-application item with Type I, 180-month non-extendable shelf life. NAVAIR aircraft launch and recovery equipment traceability and bare-item marking requirements apply.
- **Delivery and acceptance:** Delivery is required within 117 days after award, FOB Origin; inspection and acceptance are at destination.
- **OEMs and vendors:** No manufacturer or commercial vendor is identified in the supplied materials.

### Description

O-RING (QTY: 3478, NSN: 5331-00-641-3763, Purchase Request: 7018673247)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T0665)