# DIBBS #SPE4A6-27-T-3802

DLA procurement for four MS16631F retaining rings

**Posted:** October 14, 2026
**Respond By:** October 21, 2026
**Identifier:** SPE4A6-27-T-3802
**NAICS:** 332721

The Defense Logistics Agency is seeking four specification-compliant retaining rings for Naval Undersea Warfare Center Division Keyport.
- Buyer: Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact named in the notice: Priscilla Holmes.
- Requirement: Four retaining rings, NSN 5325-00-660-1518, part piece number MS16631-1412, to part standard MS16631F, revision F.
- OEMs and vendors: No OEM or commercial vendor is identified in the provided materials. The item is described as fully competitive and commercial.
- Notable requirements: Packaging must follow ASTM D3951 and DLA requirements; marking must follow MIL-STD-129. Delivery is FOB origin, with destination inspection and acceptance.
- Performance: One-time supply delivery due 20 days after award.

### Description

RING, RETAINING (QTY: 4, NSN: 5325-00-660-1518 Mil-Spec, Purchase Request: 7018659913)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T3802)