# DIBBS #SPE4A6-26-U-4364

Solicitation for Retaining Rings (NSN 5325-01-180-0317) – DLA Aviation ASC Commodities Division

**Posted:** September 18, 2026
**Respond By:** October 02, 2026
**Identifier:** SPE4A6-26-U-4364
**NAICS:** 332722

This opportunity from the Defense Logistics Agency (DLA) Aviation ASC Commodities Division seeks bids for retaining rings used in aerospace and industrial applications.
- Government Buyer:
  - Defense Logistics Agency (DLA), Aviation ASC Commodities Division, Richmond, VA
- OEMs and Approved Sources:
  - Smalley Steel Ring Co.
  - Spirolox Inc
  - Hamilton Sundstrand Corporation (Sundstrand Aviation Division)
  - Kaydon Corp (listed in attachments)
- Products Requested:
  - Retaining Ring (NSN 5325-01-180-0317)
    - Part Number: 3415-90P (Smalley, Spirolox, Hamilton Sundstrand)
    - Part Number: 5325-01-180-0317 (Kaydon Corp)
    - Total Quantity: 7,532 units
    - Guaranteed Minimum: 753 units
- Notable Requirements:
  - Strict compliance with export control, packaging (ASTM D3951, MIL-STD-129), and cybersecurity standards
  - Delivery required within 60 days of order, FOB origin
  - Indefinite delivery contract for one year, with possible option periods
  - Not a small business set-aside
  - Multiple delivery orders may be issued
- Solicitation is open for responses via the DIBBS portal

### Description

RING, RETAINING (QTY: 7532, NSN: 5325-01-180-0317, Purchase Request: 1000241549)
  Approved Sources:
  - CAGE: 51814, Part No: 3415-90P, Company: SMALLEY STEEL RING CO.
  - CAGE: 80756, Part No: 3415-90P, Company: SPIROLOX INC
  - CAGE: 99167, Part No: 3415-90P, Company: HAMILTON SUNDSTRAND CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626U4364)