# DIBBS #SPE4A6-27-T-3913

DLA solicitation for 7,371 NAS1581 close-tolerance screws

**Posted:** October 14, 2026
**Respond By:** October 21, 2026
**Identifier:** SPE4A6-27-T-3913
**NAICS:** 332722

The Defense Logistics Agency is seeking a critical-application close-tolerance screw for Weapons Support.
- Buyer: Defense Logistics Agency (DLA), Weapons Support, ASC Commodities Division; government contact: Nyjel Knowlin.
- Requirement: 7,371 close-tolerance screws, CLIN 0001, NSN 5305-01-074-3845, part number NAS1581C4T4.
- OEMs and vendors: No manufacturer, OEM, or vendor is identified in the provided notice or attachment summary. NAS1581 is the referenced standard, not a named manufacturer.
- Key requirements: Conform to NAS1581, Revision 14, and referenced technical and quality requirements. The item is designated a critical application item; packaging and marking requirements apply, and a Certificate of Quality Compliance is required.
- Delivery and acceptance: Delivery is required 166 days after order, FOB origin, with destination inspection and acceptance.
- Potential manufacturers of comparable aerospace fasteners include LISI Aerospace, Howmet Aerospace, Stanley Engineered Fastening, and TriMas Corporation; the notice does not identify them as approved sources.

### Description

SCREW, CLOSE TOLERANCE (QTY: 7371, NSN: 5305-01-074-3845, Purchase Request: 7018680088)

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE4A627T3913)