# DIBBS #SPE7M4-26-T-393C

Solicitation for Cock, Poppet Drain (NSN 4820-00-821-8021)

**Posted:** September 11, 2026
**Respond By:** September 21, 2026
**Identifier:** SPE7M4-26-T-393C
**NAICS:** 332912, 332919, 336413

This opportunity from the Defense Logistics Agency (DLA) Land and Maritime, Fluid Handling Division, seeks bids for Cock, Poppet Drain units (NSN 4820-00-821-8021).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime, Fluid Handling Division
- OEMs and Approved Manufacturers:
  - Duke's Aerospace, Inc. (part number 301-00F59)
  - Auto-Valve, Inc. (part numbers 475C59NW, 475C59W, AV475C59NW)
  - Parker Hannifin Corporation (part numbers 08101-2, 08101-6AF, 8101-2)
- Products Requested:
  - Cock, Poppet Drain
    - NSN 4820-00-821-8021
    - Aluminum body
    - Threaded external inlet (MS33657-6)
    - Threaded internal boss outlet (AND10050-6)
    - Pressure rating: 100 PSI
    - Quantity: 25 units
    - Approved part numbers from listed OEMs
- Notable Requirements:
  - Compliance with Buy American Act and Berry Amendment
  - Prohibition on covered defense telecommunications equipment
  - Packaging and labeling must meet MIL-STD-129 and ASTM D3951 standards
  - Delivery is FOB origin with destination inspection
- No unique technical requirements beyond approved sources and part numbers
- Purchase request number: 7018271902

### Description

COCK, POPPET DRAIN (QTY: 25, NSN: 4820-00-821-8021, Purchase Request: 7018271902)
  Approved Sources:
  - CAGE: 09445, Part No: 301-00F59, Company: DUKE'S AEROSPACE, INC.
  - CAGE: 91511, Part No: 475C59NW, Company: AUTO-VALVE, INC
  - CAGE: 91511, Part No: 475C59W, Company: AUTO-VALVE, INC
  - CAGE: 91511, Part No: AV475C59NW, Company: AUTO-VALVE, INC
  - CAGE: 92003, Part No: 08101-2
  - CAGE: 92003, Part No: 08101-6AF
  - CAGE: 92003, Part No: 8101-2
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M426T393C)