# DIBBS #SPE4A7-27-T-3541

397 Nickel Alloy 400 Self-Locking Machine Bolts

**Posted:** November 10, 2026
**Respond By:** November 17, 2026
**Identifier:** SPE4A7-27-T-3541
**NAICS:** 332722

DLA Weapons Support is seeking 397 specification-specific self-locking machine bolts for a supply requirement.
- Buyer: Defense Logistics Agency (DLA), DLA Weapons Support, ASC Supplier Operations AE and AF Division; buyer contact listed as Naron Sanderlin.
- Requested item: 397 self-locking machine bolts, NSN/part number 5306-01-301-7839; piece number TY I GR 400.
- Specifications: Nickel alloy 400, 0.250-20UNC-2A thread, 0.750-inch fastener length, with a patch, pellet, or strip locking feature.
- Marking and delivery requirements: Markings must include material and manufacturer symbols and lot number. Delivery is FOB origin, with origin inspection and acceptance; delivery is required 167 days after award.
- OEMs and vendors: No manufacturer or vendor is identified in the provided materials.

### Description

BOLT, MACHINE (QTY: 397, NSN: 5306-01-301-7839 Mil-Spec, Purchase Request: 7019030719)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A727T3541)