# DIBBS #SPE7L1-27-T-1735

DLA seeks 372 NAS1611-023CP preformed O-ring packings

**Posted:** October 19, 2026
**Respond By:** October 29, 2026
**Identifier:** SPE7L1-27-T-1735
**NAICS:** 339991, 423840

The Defense Logistics Agency is seeking 372 critical-application O-rings for its Weapons Support, Land Supply Chain.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, Land Supply Chain.
- **Product:** 372 preformed O-ring packings, NSN 5331-01-295-9127; part piece number NAS1611-023CP.
- **Standard and requirements:** Must comply with NAS1611, Revision 12. Oxygen-clean packaging and marking are required, including an opaque waterproof and greaseproof bag.
- **Delivery:** Required within 109 days after order; FOB origin, with destination inspection and acceptance.
- **OEMs and vendors:** None identified in the notice. NAS1611 is a standard, not a named manufacturer.

### Description

O-RING (QTY: 372, NSN: 5331-01-295-9127 Mil-Spec, Purchase Request: 7017985194)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L127T1735)