# DIBBS #SPE7M4-26-T-436G

DLA Solicitation for Packing, Preformed Back Up Ring (Kingsbury Inc., NSN 5330-01-028-0646)

**Posted:** September 25, 2026
**Respond By:** October 05, 2026
**Identifier:** SPE7M4-26-T-436G
**NAICS:** 339991

The Defense Logistics Agency (DLA) Land and Maritime Fluid Handling Division is soliciting offers for Packing, Preformed Back Up Rings (NSN 5330-01-028-0646).
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Fluid Handling Division
  - Buyer: Blake Tushar
- OEMs and Vendors:
  - Kingsbury Inc. is the only approved source listed
- Products/Services Requested:
  - Packing, Preformed Back Up Ring
    - NSN: 5330-01-028-0646
    - Part Numbers: 465745PC135, 65-5691-135
    - Quantity: 34 units
- Notable Requirements:
  - Compliance with the Berry Amendment and Buy American Act (domestic material restrictions)
  - Prohibition on covered defense telecommunications equipment
  - No asbestos or mercury content allowed
  - Packaging must comply with MIL-STD-2073-1E and MIL-STD-129
  - Delivery is FOB Origin; inspection and acceptance at destination
  - Opportunity is set aside for small businesses

### Description

PACKING, PREFORMED (QTY: 34, NSN: 5330-01-028-0646, Purchase Request: 7018495027)
  Approved Sources:
  - CAGE: 75333, Part No: 465745PC135, Company: KINGSBURY INC.
  - CAGE: 75333, Part No: 65-5691-135, Company: KINGSBURY INC.
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M426T436G)