# DIBBS #SPE4A6-27-T-2166

DLA request for 68 close-tolerance screws

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-2166
**NAICS:** 332722

The Defense Logistics Agency is seeking 68 close-tolerance screws for DLA Weapons Support.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; point of contact: Michael Blain.
- **Requested item:** 68 close-tolerance screws, NSN 5305-01-133-1572, specified to drawing ST3M557, revision L.
- **Part numbers:** ST3M557-4-4 is the drawing part number; listed approved-source part numbers are HT4027-4-4, ST3M557-4-4, and WC4027-4-4. Some approved-source entries list HT4027-4-4 without naming a company.
- **Named approved sources and manufacturers:** **Twist Tite Mfg., Inc.**, **Howmet Global Fastening Systems Inc.**, **SPS Technologies, LLC**, **Fastener Innovation Technology, Inc.**, **West Coast Aerospace, Inc.**, **Hi-Shear Corporation**, and **The Boeing Company**.
- **Notable requirements:** Delivery is required 167 days after order; shipment is FOB origin, with destination inspection and acceptance.

### Description

SCREW, CLOSE TOLERANCE (QTY: 68, NSN: 5305-01-133-1572, Purchase Request: 7018675839)
  Approved Sources:
  - CAGE: 007R1, Part No: ST3M557-4-4, Company: TWIST TITE MFG, INC
  - CAGE: 06950, Part No: HT4027-4-4, Company: HOWMET GLOBAL FASTENING SYSTEMS INC
  - CAGE: 56878, Part No: HT4027-4-4, Company: SPS TECHNOLOGIES, LLC
  - CAGE: 58998, Part No: ST3M557-4-4, Company: FASTENER INNOVATION TECHNOLOGY, INC
  - CAGE: 60516, Part No: WC4027-4-4, Company: WEST COAST AEROSPACE, INC.
  - CAGE: 73197, Part No: HT4027-4-4, Company: HI-SHEAR CORPORATION
  - CAGE: 76301, Part No: ST3M557-4-4, Company: THE BOEING COMPANY
  - CAGE: 80539, Part No: HT4027-4-4
  - CAGE: L4528, Part No: HT4027-4-4
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T2166)