# DIBBS #SPE7M8-26-T-6593

DLA Land and Maritime Solicits Topworx Proximity Switches (NSN 5930-01-689-4141)

**Posted:** September 11, 2026
**Respond By:** September 21, 2026
**Identifier:** SPE7M8-26-T-6593
**NAICS:** 423690

The Defense Logistics Agency (DLA) Land and Maritime Electrical Devices Division is soliciting quotes for proximity switches for military logistics support.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Electrical Devices Division
- OEM Highlight:
  - Topworx Inc. is the approved manufacturer for the requested proximity switches
- Products Requested:
  - 5 units of Proximity Switches
    - National Stock Number (NSN): 5930-01-689-4141
    - Part Number: 7F-B173658-DCA (Topworx Inc.)
    - Packaged per MIL-STD-2073-1E and MIL-DTL-28786
- Delivery & Inspection:
  - FOB origin, destination inspection at DLA Distribution, New Cumberland, PA
  - Delivery required within 168 days from contract award
- Notable Requirements:
  - Compliance with domestic sourcing laws
  - Prohibition on covered defense telecommunications equipment
  - Not a small business set-aside
- No services are requested; only product procurement
- Fast award tag is included in the solicitation

### Description

SWITCH, PROXIMITY (QTY: 5, NSN: 5930-01-689-4141, Purchase Request: 7018270873)
  Approved Sources:
  - CAGE: 04553, Part No: 7F-B173658-DCA
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M826T6593)