# DIBBS #SPE4A6-27-T-6533

DLA Request for 1,668 Source-Controlled Self-Locking Nuts

**Posted:** October 26, 2026
**Respond By:** November 02, 2026
**Identifier:** SPE4A6-27-T-6533
**NAICS:** 332722

The Defense Logistics Agency is seeking a source-controlled aerospace fastener for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division; contracting contact: Hannah Shimer.
- **Requested item:** 1,668 self-locking extended-washer double nuts, NSN 5310-00-236-3114, part number R398P3.
- **OEMs and approved sources:** General Electric Turbine Engine, The Boeing Company, Bristol Industries, LLC, SPS Technologies, LLC, and Howmet Global Fastening Systems Inc. Source-specific part numbers are listed below.
- **Notable requirements:** The item is source-controlled and designated for a critical application. Technical data is export-controlled, and source approval and access requirements apply.
- **Delivery:** One supply delivery is required 166 days after order. Delivery is FOB Origin, with destination inspection and acceptance.

### Description

NUT, SELF-LOCKING, EXTEN (QTY: 1668, NSN: 5310-00-236-3114, Purchase Request: 7018852207)
  Approved Sources:
  - CAGE: 06950, Part No: VN405B054, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 15653, Part No: H33-5GE, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 27238, Part No: BH00190-5, Company: BRISTOL INDUSTRIES, LLC
  - CAGE: 56878, Part No: FN1216-524, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 76301, Part No: 3M961-5, Company: THE BOEING COMPANY
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T6533)