# DIBBS #SPE4A6-27-T-1797

DLA solicitation for 40 turnlock fastener stud assemblies

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-1797
**NAICS:** 332722, 339993, 336413

The Defense Logistics Agency is seeking 40 turnlock fastener stud assemblies for a critical application.
- Government buyer: Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division; buyer contact: Carl Younce.
- Product: 40 turnlock fastener stud assemblies, NSN 5325-00-489-0931; primary part number BACS21ED4W.
  - Listed alternate part numbers: BACS21X4W, 4002-4W, and 944.48.77.919.
  - Technical reference: drawing BACS21ED, Revision G.
- OEMs and vendors named: Alcoa Fastening Systems/Camloc Product Division, LISI Aerospace–Monadnock Products, The Boeing Company, Siemens AG, Fairchild Fasteners UK Ltd, Howmet Global Fastening Systems Inc., Monadnock Company, and Pilatus Aircraft Ltd.
- Requirement highlights: Critical application item; FOB origin; delivery to DLA Distribution Warner Robins, 167 days after order; inspection and acceptance at destination.

### Description

STUD ASSEMBLY, TURNLOCK (QTY: 40, NSN: 5325-00-489-0931, Purchase Request: 7018680435)
  Approved Sources:
  - CAGE: 60119, Part No: BACS21ED4W
  - CAGE: 71286, Part No: BACS21ED4W, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 81205, Part No: BACS21ED4W, Company: THE BOEING COMPANY
  - CAGE: 81205, Part No: BACS21X4W, Company: THE BOEING COMPANY
  - CAGE: C0680, Part No: 4002-4W
  - CAGE: K1678, Part No: 4002-4W
  - CAGE: S4080, Part No: 944.48.77.919
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T1797)