# DIBBS #SPE7L1-27-T-2857

DLA request for two approved-source O-rings, NSN 5331-01-693-6970

**Posted:** October 29, 2026
**Respond By:** November 09, 2026
**Identifier:** SPE7L1-27-T-2857
**NAICS:** 423840

The Defense Logistics Agency is seeking two critical-application O-rings for its Weapons Support, Land Supply Chain requirements.
- **Government buyer:** Defense Logistics Agency (DLA), Weapons Support, Land Supply Chain; contact: George Mitchell.
- **OEM / approved source:** **The Hellan Strainer Co.** (CAGE 1QZK3), part number ZH229A906.
- **Product requested:** 2 O-rings, NSN 5331-01-693-6970; the NSN is the item identifier and ZH229A906 is the cited approved-source part number.
- **Notable requirements:** Critical-application item; 180-month, non-extendable shelf life; specified DLA packaging and marking; destination inspection and acceptance; FOB destination delivery within 20 days after order.

### Description

O-RING (QTY: 2, NSN: 5331-01-693-6970, Purchase Request: 7018894506)
  Approved Sources:
  - CAGE: 1QZK3, Part No: ZH229A906, Company: THE HELLAN STRAINER CO
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L127T2857)