# DIBBS #SPE4A5-26-T-431K

DLA Aviation solicits 38 Ontic splined rings (NSN 1680-01-227-1560) for aircraft

**Posted:** September 16, 2026
**Respond By:** September 23, 2026
**Identifier:** SPE4A5-26-T-431K
**NAICS:** 336413

The Defense Logistics Agency (DLA) Aviation is soliciting bids for the procurement of splined rings for aircraft applications.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Supplier Oper OEM Division
  - Buyer: KEBARI CHESEMAN, Buyer Code: DKC0157
- OEMs and Vendors:
  - Ontic Engineering & Manufacturing, Inc. (CAGE 45934) is the approved source
- Products Requested:
  - 38 units of "Ring, Splined" (NSN 1680-01-227-1560)
    - Ontic Engineering & Manufacturing, Inc. part number 532512-8
    - Critical application item for aircraft
    - Delivery to DLA Distribution Depot Hill, Hill AFB, UT
- Unique/Notable Requirements:
  - Compliance with domestic sourcing laws
  - Cybersecurity requirements must be met
  - Prohibition on covered defense telecommunications equipment
  - Delivery required within approximately 11.5 months (FOB origin, destination inspection)
  - Set aside for small business participation

### Description

RING, SPLINED (QTY: 38, NSN: 1680-01-227-1560, Purchase Request: 7018341730)
  Approved Sources:
  - CAGE: 45934, Part No: 532512-8, Company: ONTIC ENGINEERING & MANUFACTURING,
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A526T431K)