# DIBBS #SPE4A5-27-T-2952

DLA solicitation for 11 single-leg chain assemblies

**Posted:** November 10, 2026
**Respond By:** November 17, 2026
**Identifier:** SPE4A5-27-T-2952
**NAICS:** 333923

DLA Weapons Support is seeking 11 single-leg chain assemblies for a defense supply requirement.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Operations OEM Division; buyer: Hien-Van Trinh.
- **Requested product:** 11 chain assemblies, single leg, NSN 4010-01-254-1421; drawing part piece number 12350721.
- **OEM named:** **Columbus McKinnon** is identified for the hook. The solicitation permits a 5/16-inch Columbus McKinnon hook or an optional 3/8-inch galvanized Columbus McKinnon M6906AZ hook with safety latch.
- **Technical requirements:** Link material is .375-size ASTM A 35 1018-120; welding must meet Class 2 MIL-STD 1261. Hook requirements reference RR-C-271D Type 4, Class 1, except clevis type; chain links must remain unchanged. Material, marking, packaging, and origin inspection/acceptance requirements also apply.
- **Delivery:** One-time supply delivery, required 139 days after order; FOB Origin.

### Description

CHAIN ASSEMBLY, SINGLE (QTY: 11, NSN: 4010-01-254-1421, Purchase Request: 7019083202)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A527T2952)