# DIBBS #SPE4A1-26-T-2912

DLA Aviation Solicits 4,325 Retaining Rings (NSN 5325-01-053-6183)

**Posted:** September 23, 2026
**Respond By:** September 30, 2026
**Identifier:** SPE4A1-26-T-2912
**NAICS:** 332722

This opportunity is issued by the Defense Logistics Agency (DLA) Aviation Supply Chain for the procurement of retaining rings.
- Government Buyer:
  - Defense Logistics Agency (DLA), DLA Aviation, Aviation Supply Chain
  - Buyer: Jade Stringfield
- OEMs and Vendors:
  - Howmet Global Fastening Systems Inc (part numbers C9538-4, CA21037CL-4R)
  - Fairchild Fasteners Europe - Camloc (part number CA21037CL-4R)
  - Lockheed Martin Corp (part number C9538-4)
  - Other vendors with part numbers 120001-4 and C9538-4
- Products Requested:
  - Retaining ring, NSN 5325-01-053-6183
  - Part numbers: C9538-4, CA21037CL-4R, 120001-4
  - Quantity: 4,325 units
- Notable Requirements:
  - Delivery lead time of 99 days from award
  - FOB origin shipping
  - Destination inspection required
  - Compliance with export control, cybersecurity, and packaging standards
  - Technical documentation provided for reference
- The solicitation is open for fast award and managed via the DIBBS portal.

### Description

RING, RETAINING (QTY: 4325, NSN: 5325-01-053-6183, Purchase Request: 7018459119)
  Approved Sources:
  - CAGE: 29372, Part No: C9538-4, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 29372, Part No: CA21037CL-4R, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 60119, Part No: 120001-4
  - CAGE: 60119, Part No: C9538-4
  - CAGE: D0680, Part No: CA21037CL-4R, Company: FAIRCHILD FASTENERS EUROPE - CAMLOC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A126T2912)