# DIBBS #SPE4A6-27-T-4268

DLA requirement for 503 Mil-Spec retaining rings

**Posted:** October 15, 2026
**Respond By:** October 22, 2026
**Identifier:** SPE4A6-27-T-4268
**NAICS:** 332618, 423840

DLA Weapons Support is seeking 503 critical-application Mil-Spec retaining rings for a defense supply requirement.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; contact named: Sommer Yates.
- **Product:** 503 retaining rings, part number **MS16625-3550**, NSN **5325-00-769-4612**.
- **OEMs and vendors:** No OEM or vendor is identified in the provided material.
- **Requirements:** The rings must comply with MS16625F, Revision F, reference drawing 13873 EI-007694612, and MIL-DTL-21248F, Type I, Class 1. The item is designated a critical application item.
- **Delivery and acceptance:** Delivery is required within 165 days after order. FOB Origin applies, with inspection and acceptance at origin.

### Description

RING, RETAINING (QTY: 503, NSN: 5325-00-769-4612 Mil-Spec, Purchase Request: 7018673416)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T4268)