# DIBBS #SPE7M4-27-T-1209

DLA procurement of 295 qualified tube-fitting locknuts

**Posted:** October 14, 2026
**Respond By:** October 26, 2026
**Identifier:** SPE7M4-27-T-1209
**NAICS:** 332722, 423710

DLA Weapons Support is seeking 295 aerospace tube-fitting locknuts for a critical application.
- **Government buyer:** Defense Logistics Agency (DLA), DLA Weapons Support, Fluid Handling Division; buyer contact: Blake Tushar.
- **Requested item:** 295 locknuts, tube fitting, part number **AS5178J16**, NSN **4730-01-516-2509**.
- **Standards and qualification:** Must comply with SAE AS5178E and reference SAE AS4841; a QML/QPL-qualified source is required. The item has class 3 threads and is designated for a critical application.
- **Other requirements:** Class I ozone-depleting chemicals are prohibited. Delivery is FOB origin to DLA Distribution Barstow.
- **OEMs and vendors:** No commercial manufacturer or vendor is named in the supplied information. SAE is cited for technical standards, not identified as the manufacturer.

### Description

LOCKNUT, TUBE FITTING (QTY: 295, NSN: 4730-01-516-2509, Purchase Request: 7018674627)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7M427T1209)