# DIBBS #SPE7L1-27-T-3995

DLA solicitation for 143 critical-application O-rings

**Posted:** November 06, 2026
**Respond By:** November 16, 2026
**Identifier:** SPE7L1-27-T-3995
**NAICS:** 339991

DLA is seeking a critical-application O-ring for its Land Supply Chain, with delivery and protective packaging requirements.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, Land Supply Chain; contact: Kristie Fown.
- **Item:** 143 O-rings, NSN 5331-01-446-6123; approved-source part number 325281.40.
- **OEMs / approved sources:** Rolls-Royce Corporation; Lockheed Martin Aeronautical Systems; Lockheed Martin Corp.
- **Requirements:** Deliver within 168 days, FOB origin, with destination inspection and acceptance. Package each item in an opaque, waterproof, greaseproof bag meeting the specified MIL-DTL-117 requirements to protect against UV deterioration.
- **Application:** Identified as a critical application item.

### Description

O-RING (QTY: 143, NSN: 5331-01-446-6123, Purchase Request: 7019029914)
  Approved Sources:
  - CAGE: 63005, Part No: 325281.40, Company: ROLLS-ROYCE CORPORATION
  - CAGE: 74703, Part No: 325281.40
  - CAGE: 98897, Part No: 325281.40, Company: LOCKHEED MARTIN CORP
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L127T3995)