# DIBBS #SPE4A7-26-T-770Z

DLA Aviation Solicits 277 Spacer, Sleeve Units (NSN 5365-01-138-8801) from Approved OEMs

**Posted:** September 21, 2026
**Respond By:** September 28, 2026
**Identifier:** SPE4A7-26-T-770Z
**NAICS:** 336413, 336419

This opportunity from the Defense Logistics Agency (DLA) Aviation requests Spacer, Sleeve units for critical application use.
- Government Buyer:
  - Defense Logistics Agency (DLA) Aviation ASC Supplier Oper AE and AF Div, Richmond, VA
- OEMs and Vendors:
  - Dupont Specialty Products USA, LLC
  - RTX Corporation
- Products Requested:
  - Spacer, Sleeve (NSN 5365-01-138-8801)
    - Part numbers: 4077974 (Dupont Specialty Products USA, LLC), 4058899, 4077867, 4077974 (RTX Corporation)
    - Quantity: 277 units
- Unique/Notable Requirements:
  - Only approved OEMs and part numbers are eligible; no substitutions permitted
  - Critical application item with export-controlled technical data
  - Compliance with MIL-STD-2073-1E packaging and MIL-STD-129 marking
  - Cybersecurity Maturity Model Certification Level 2 required
  - Expedited delivery encouraged; delivery window approximately 169 days from award
  - Technical documentation available via DLA Internet Bid Board System (DIBBS)
- Fast award process managed by DLA Aviation

### Description

SPACER, SLEEVE (QTY: 277, NSN: 5365-01-138-8801, Purchase Request: 7018412812)
  Approved Sources:
  - CAGE: 55231, Part No: 4077974, Company: DUPONT SPECIALTY PRODUCTS USA, LLC
  - CAGE: 77445, Part No: 4058899, Company: RTX CORPORATION
  - CAGE: 77445, Part No: 4077867, Company: RTX CORPORATION
  - CAGE: 77445, Part No: 4077974, Company: RTX CORPORATION
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A726T770Z)
