# DIBBS #SPE7M1-26-U-6214

DLA Land and Maritime Solicits Piston Ring Sets (NSN 4310-01-127-6519)

**Posted:** September 22, 2026
**Respond By:** October 06, 2026
**Identifier:** SPE7M1-26-U-6214
**NAICS:** 336413

The Defense Logistics Agency (DLA) Land and Maritime is soliciting an Indefinite Delivery Contract (IDC) for piston ring sets (NSN 4310-01-127-6519).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime, Maritime Supply Chain
  - Buyer: Bryan Fair
- OEMs and Vendors:
  - Kaydon Ring & Seal Inc (part number A9587-80)
  - Curtiss-Wright Electro-Mechanical Corp (part number 1W139488)
- Products Requested:
  - Ring Set, Piston (NSN 4310-01-127-6519)
    - Total quantity: 48 sets (estimated annual quantity)
    - Guaranteed minimum: 7 sets
    - Maximum contract value: $350,000
    - Packaging and marking per MIL-STD-2073-1E and MIL-STD-129
- Unique/Notable Requirements:
  - Only approved sources (Kaydon Ring & Seal Inc, Curtiss-Wright Electro-Mechanical Corp)
  - Compliance with domestic sourcing laws
  - Prohibition on covered defense telecommunications equipment
  - Delivery required within 181 days of order
  - Set aside for small businesses
  - No additional technical documents provided

### Description

RING SET, PISTON (QTY: 48, NSN: 4310-01-127-6519, Purchase Request: 1000243996)
  Approved Sources:
  - CAGE: 75370, Part No: A9587-80, Company: KAYDON RING & SEAL INC
  - CAGE: 8FGX3, Part No: 1W139488, Company: CURTISS-WRIGHT ELECTRO-MECHANICAL C
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M126U6214)