# DIBBS #SPE7L3-27-T-2550

DLA request for four Bal Seal Engineering seal retainers

**Posted:** November 12, 2026
**Respond By:** November 23, 2026
**Identifier:** SPE7L3-27-T-2550
**NAICS:** 339991

The Defense Logistics Agency is seeking four seal retainers for delivery to Portsmouth Naval Shipyard.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, Land Supplier Operations, Vehicle Support; point of contact: Susan Diamond.
- **OEM and approved source:** **Bal Seal Engineering, Inc.**; part number OR-R316-355-GC-BNOR.
- **Product requested:** 4 retainers, seal; NSN 5330-01-687-6710.
- **Delivery and handling:** Delivery is required within 5 days after award, FOB origin, to Portsmouth Naval Shipyard. Each item must be packaged in an opaque, waterproof and greaseproof bag, with marking per MIL-STD-129.
- **Source note:** Bal Seal Engineering, Inc. is identified as the approved source; alternatives listed as competitors may not be approved or interchangeable.

### Description

RETAINER, SEAL (QTY: 4, NSN: 5330-01-687-6710, Purchase Request: 7019069031)
  Approved Sources:
  - CAGE: 09055, Part No: OR-R316-355-GC-BNOR, Company: BAL SEAL ENGINEERING, INC.
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L327T2550)