# DIBBS #SPE4A6-27-T-3551

DLA solicitation for 598 drawing-compliant mil-spec lock washers

**Posted:** October 13, 2026
**Respond By:** October 20, 2026
**Identifier:** SPE4A6-27-T-3551
**NAICS:** 332722

The Defense Logistics Agency is seeking 598 drawing-compliant mil-spec lock washers for its Weapons Support organization.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Commodities Division; buyer contact: Xavier Keyes.
- **Product requested:** 598 WASHER, LOCK items, NSN 5310-01-654-9318 (also listed as 5310016549318); drawing part-piece number 60-28-6586. The washer must conform to basic drawing 53711 8543287, Revision A.
- **OEMs and vendors:** No manufacturer, OEM, or commercial vendor is identified in the provided material.
- **Notable requirements:** The item is designated critical and requires source inspection. Export-controlled technical data access, specified packaging, marking, and quality requirements apply.
- **Delivery and acceptance:** Delivery is required 57 days after order. Delivery is FOB Origin, with destination inspection and acceptance at DLA Distribution, DDSP New Cumberland Facility.

### Description

WASHER, LOCK (QTY: 598, NSN: 5310-01-654-9318 Mil-Spec, Purchase Request: 7018680151)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T3551)