# DIBBS #SPE4A6-26-T-31RN

DLA Aviation Solicits 200 Mil-Spec Retaining Rings (NSN 5325-00-954-5166)

**Posted:** September 17, 2026
**Respond By:** September 24, 2026
**Identifier:** SPE4A6-26-T-31RN
**NAICS:** 332999, 332991

The Defense Logistics Agency (DLA) Aviation, ASC Commodities Division is soliciting bids for retaining rings for military applications.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division
  - Buyer: Duane Watkins, Buyer Code DDW0155
- Products Requested:
  - 200 retaining rings
    - National Stock Number (NSN): 5325-00-954-5166
    - Part Number: MS16633-5031
    - Manufactured to MIL-DTL-21248E standard
    - Material: Beryllium copper
    - Critical application item
    - Packaging per MIL-STD-2073-1E
    - Marking per MIL-STD-129
- Delivery Requirements:
  - Delivery to DLA Distribution, DDSP New Cumberland Facility, PA
  - Delivery within 170 days from award
  - FOB origin
- Notable Requirements:
  - Compliance with domestic sourcing laws
  - Additive manufacturing items prohibited unless approved
  - Must meet military packaging and marking standards
- No specific OEMs or vendors are named in the solicitation.
- The procurement is associated with purchase request number 7018342543 and RFQ SPE4A6-26-T-31RN.

### Description

RING, RETAINING (QTY: 200, NSN: 5325-00-954-5166 Mil-Spec, Purchase Request: 7018342543)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T31RN)