# DIBBS #SPE4A7-27-T-2152

DLA solicitation for 43 critical-safety piston and insert assemblies

**Posted:** October 28, 2026
**Respond By:** November 04, 2026
**Identifier:** SPE4A7-27-T-2152
**NAICS:** 336412, 336413

DLA Weapons Support is seeking 43 critical-safety piston and insert assemblies for an Air Force application.
- Buyer: Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Operations AE and AF Division.
- Solicitation: SPE4A7-27-T-2152; total small-business set-aside.
- Product: 43 piston and insert assemblies, NSN 2915-00-837-4057; reference/source part number 597676.
- Approved OEM sources: **Ontic Engineering & Manufacturing, Inc.** and **Hamilton Sundstrand Corporation**.
- Requirements: Air Force-designated critical safety item; SAE AS9100 or equivalent quality requirements; origin inspection and acceptance; export-controlled technical data access requirements.
- Delivery: Required 111 days after order. No contract duration, option years, or annual subscription details are stated.

### Description

PISTON AND INSERT (QTY: 43, NSN: 2915-00-837-4057, Purchase Request: 7018341809)
  Approved Sources:
  - CAGE: 45934, Part No: 597676, Company: ONTIC ENGINEERING & MANUFACTURING,
  - CAGE: 73030, Part No: 597676, Company: HAMILTON SUNDSTRAND CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A727T2152)