# DIBBS #SPE7L1-27-T-0939

DLA solicitation for 1,738 NAS578-7B retainers

**Posted:** October 13, 2026
**Respond By:** October 23, 2026
**Identifier:** SPE7L1-27-T-0939
**NAICS:** 423840, 423710, 332722

The Defense Logistics Agency is seeking 1,738 critical-application retainers for its Weapons Support Land Supply Chain.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Land Supply Chain; buyer contact: Isabelle Szulewski.
- **Requested item:** Retainer, nut and bolt, also described as a retainer for a float barrel nut.
  - NSN: 5340-00-649-8486
  - Piece part number: NAS578-7B, manufactured to NAS578 Revision 11.
  - Two requested quantities: 807 and 931, for a total of 1,738.
- **Notable requirements:** The item is designated a critical application item. Delivery is required within 116 days after order; FOB origin, with destination inspection and acceptance.
- **OEMs and vendors:** No manufacturer/OEM or commercial vendor is identified in the provided information.

### Description

RETAINER, NUT AND BOLT (QTY: 1738, NSN: 5340-00-649-8486, Purchase Request: 7018679491)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L127T0939)