# DIBBS #SPE7M3-27-T-1152

DLA solicitation for 391 qualified MS21921V4P tube coupling nuts

**Posted:** November 06, 2026
**Respond By:** November 16, 2026
**Identifier:** SPE7M3-27-T-1152
**NAICS:** 332721

DLA Weapons Support is soliciting 391 qualified tube coupling nuts for two distribution destinations.
- **Buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Fluid Handling Division; procurement contact: William Cain.
- **Item:** 391 tube coupling nuts, NSN 4730-01-543-0356, part number MS21921V4P.
  - 93 units for DLA Distribution Warner Robins (CLIN 0001).
  - 298 units for DLA Distribution San Diego (CLIN 0002).
- **Technical requirements:** 15-5PH stainless steel, cadmium plated, with .4375-20 UNJF-3B threads. DCMA inspection of the threads is required.
- **Qualification and delivery:** The manufacturer or assembler must be PRI QML/QPL accredited. Delivery is FOB origin, with a 424-day delivery requirement.
- **OEMs and vendors:** No manufacturer, OEM, or vendor is named in the provided materials.

### Description

NUT, TUBE COUPLING (QTY: 391, NSN: 4730-01-543-0356, Purchase Request: 7018681590)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M327T1152)