# DIBBS #SPE4A6-26-T-34PF

Procurement of Retaining Rings for DLA Aviation

**Posted:** September 22, 2026
**Respond By:** September 29, 2026
**Identifier:** SPE4A6-26-T-34PF
**NAICS:** 332721, 336413

DLA Aviation is seeking to procure retaining rings for aircraft maintenance.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation, ASC Commodities Division
  - Buyer: Marchello Fields (Buyer Code: DMF0039)
- OEMs and Vendors:
  - Hansome Energy Systems Inc (approved manufacturer)
- Products Requested:
  - Retaining Ring (NSN 5325-01-138-5345)
    - Manufacturer Part Numbers: ESB010-1, IAW A-326-235 ITEM 34
    - Quantity: 6 units
- Notable Requirements:
  - Strict compliance with domestic sourcing laws
  - Packaging and marking per MIL-STD-129 and MIL-STD-2073-1E
  - Mercury or mercury compounds prohibited in packaging and preservation
  - Hazardous material labeling required
  - Delivery FOB origin; destination inspection required
  - Fast award process via DIBBS portal

### Description

RING, RETAINING (QTY: 6, NSN: 5325-01-138-5345, Purchase Request: 7018412816)
  Approved Sources:
  - CAGE: 51802, Part No: ESB010-1, Company: HANSOME ENERGY SYSTEMS INC
  - CAGE: 51802, Part No: IAW A-326-235 ITEM 34, Company: HANSOME ENERGY SYSTEMS INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A626T34PF)