# DIBBS #SPE8E7-27-T-0055

DLA Request for Six Fan Impeller Guards

**Posted:** October 02, 2026
**Respond By:** October 13, 2026
**Identifier:** SPE8E7-27-T-0055
**NAICS:** 333413

DLA Troop Support is seeking six fan impeller guards for a one-time supply requirement.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Troop Support, Construction & Equipment (Lighting I); buyer contact listed as Kelly Mitchell.
- **Requested item:** 6 fan impeller guards, NSN 4140-01-649-3960; approved-source part number **178K0401-1**.
- **Approved-source manufacturers:** **DRS Environmental Systems Inc.**, **Tyonek Manufacturing Group, Inc.**, and **HDT Expeditionary Systems Inc.** The notice identifies them as approved sources, not as selected vendors.
- **Delivery and handling:** Delivery is required within 165 days. FOB Origin, with destination inspection and acceptance. Packaging must meet DLA requirements and ASTM D3951, with marking under MIL-STD-129.
- **Other scope:** One-time purchase; no services or additional technical requirements are stated.

### Description

GUARD, FAN IMPELLER (QTY: 6, NSN: 4140-01-649-3960, Purchase Request: 7018588347)
  Approved Sources:
  - CAGE: 1NFH1, Part No: 178K0401-1
  - CAGE: 5RQL2, Part No: 178K0401-1, Company: DRS ENVIRONMENTAL SYSTEMS INC
  - CAGE: 92878, Part No: 178K0401-1, Company: HDT EXPEDITIONARY SYSTEMS INC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE8E727T0055)