# DIBBS #SPE7M4-26-T-424F

DLA seeks 44 forged steel pipe flanges for submarine diesel generators (NSN 4730-00-179-8740)

**Posted:** September 18, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE7M4-26-T-424F
**NAICS:** 332919

The Defense Logistics Agency (DLA) Land and Maritime Fluid Handling Division is seeking to procure forged steel pipe flanges for submarine diesel generators.
- Government Buyer:
  - Defense Logistics Agency (DLA), Land and Maritime Fluid Handling Division
- OEMs and Approved Sources:
  - HATCH & KIRK, INC. (part number P16100514)
  - FAIRBANKS MORSE, LLC (part number 16100514)
- Products Requested:
  - 44 units of Flange, Pipe (NSN 4730-00-179-8740)
    - Forged steel (SAE 1045) pipe flange for 850KW diesel generator, SSN 688 class submarine
    - Part numbers: P16100514 (HATCH & KIRK, INC.), 16100514 (FAIRBANKS MORSE, LLC)
- Notable Requirements:
  - Strict compliance with domestic sourcing laws (Buy American Act, Berry Amendment)
  - Hazardous material labeling and packaging standards
  - Prohibition on additive manufacturing without prior approval
  - Delivery is FOB origin with destination inspection
  - Delivery required within 126 days from contract date
  - No technical documents or attachments provided
- Only the specified NSN and approved OEM part numbers are eligible for award.

### Description

FLANGE, PIPE (QTY: 44, NSN: 4730-00-179-8740, Purchase Request: 7017774076)
  Approved Sources:
  - CAGE: 55380, Part No: P16100514, Company: HATCH & KIRK, INC.
  - CAGE: 7PZX0, Part No: 16100514, Company: FAIRBANKS MORSE, LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M426T424F)