# DIBBS #SPE4A5-27-T-1235

DLA solicitation for 139 diaphragm assemblies, NSN 1660-01-173-0457

**Posted:** October 16, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE4A5-27-T-1235
**NAICS:** 336413

The Defense Logistics Agency is seeking 139 critical-application diaphragm assemblies for a defense supply requirement.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Oper OEM Division; contact: Kebari Cheseman.
- **Requested item:** 139 diaphragm assemblies, NSN 1660-01-173-0457, manufacturer part number 96D59-1.
- **Approved OEM sources:** **Honeywell International Inc.** and **Ontic Engineering & Manufacturing UK**.
- **Notable requirements:** Physical identification and bare-item marking, packaging requirements, destination inspection and acceptance, and CMMC Level 2 self-assessment and covered defense information requirements.
- **Delivery:** Required 171 days after award; no options or subscription term are stated.

### Description

DIAPHRAGM ASSEMBLY (QTY: 139, NSN: 1660-01-173-0457, Purchase Request: 7018745136)
  Approved Sources:
  - CAGE: 59364, Part No: 96D59-1, Company: HONEYWELL INTERNATIONAL INC.
  - CAGE: U1VG2, Part No: 96D59-1, Company: ONTIC ENGINEERING & MANUFACTURING U
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A527T1235)