# DIBBS #SPE7M5-26-T-481J

DLA Land and Maritime Solicits 48 Mason Electric Heat Sink-Insulators

**Posted:** September 11, 2026
**Respond By:** September 21, 2026
**Identifier:** SPE7M5-26-T-481J
**NAICS:** 333414

The Defense Logistics Agency (DLA) Land and Maritime Active Devices Division is seeking quotes for the procurement of Heat Sink-Insulators.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Active Devices Division
- OEMs and Vendors:
  - Mason Electric Co. (approved manufacturer)
- Products Requested:
  - 48 units of Heat Sink-Insulator
    - National Stock Number (NSN): 5999-01-408-7904
    - Manufacturer Part Number: 707-5409-3
    - Approved source: Mason Electric Co.
- Notable Requirements:
  - Strict packaging, inspection, and delivery requirements
  - FOB origin terms with destination inspection
  - Compliance with domestic sourcing laws
  - Hazardous material labeling required
  - Additive manufacturing items prohibited unless specifically approved
- Delivery must occur within 168 days from award, with a need ship date and required delivery date specified.

### Description

HEAT SINK-INSULATOR (QTY: 48, NSN: 5999-01-408-7904, Purchase Request: 7018272940)
  Approved Sources:
  - CAGE: 81579, Part No: 707-5409-3, Company: MASON ELECTRIC CO.
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M526T481J)