# DIBBS #SPE4A6-27-T-4598

DLA solicitation for six Sikorsky sleeve bushings

**Posted:** October 16, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE4A6-27-T-4598
**NAICS:** 336413

The Defense Logistics Agency is seeking six Sikorsky sleeve bushings for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer: Emma Garrett.
- **OEM / approved source:** **Sikorsky Aircraft Corporation** is listed as the approved source for part number 21E1638-602.
- **Product requested:** 6 BUSHING, SLEEVE units, NSN 5365-01-665-3737, part number 21E1638-602.
- **Notable requirements:** The bushings are for a critical application and reference drawing 21E1638, Revision B, and TDP Revision A, Generation 1.
- **Delivery:** One supply delivery is requested within 171 days after order; expedited delivery is encouraged.

### Description

BUSHING, SLEEVE (QTY: 6, NSN: 5365-01-665-3737, Purchase Request: 7018745647)
  Approved Sources:
  - CAGE: 78286, Part No: 21E1638-602, Company: SIKORSKY AIRCRAFT CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T4598)